diff --git a/src/api/api.cmd b/src/api/api.cmd
index 52035db33..ffebeac0d 100644
--- a/src/api/api.cmd
+++ b/src/api/api.cmd
@@ -27,8 +27,8 @@ msbuild api_t.proj -p:Configuration=%_C% -tl -nologo -warnaserror -bl:%_L%\api_b
 
 :: Test
 dotnet test ^
- %_B%\net6.0\WixToolsetTest.Data.dll ^
- %_B%\net6.0\win-x86\WixToolsetTest.BootstrapperApplicationApi.dll ^
+ %_B%\net8.0\WixToolsetTest.Data.dll ^
+ %_B%\net8.0\win-x86\WixToolsetTest.BootstrapperApplicationApi.dll ^
  %_B%\x86\BalUtilUnitTest.dll ^
  %_B%\x86\BextUtilUnitTest.dll ^
  --nologo -l "trx;LogFileName=%_L%\TestResults\api.trx" || exit /b
diff --git a/src/api/burn/test/WixToolsetTest.BootstrapperApplicationApi/WixToolsetTest.BootstrapperApplicationApi.csproj b/src/api/burn/test/WixToolsetTest.BootstrapperApplicationApi/WixToolsetTest.BootstrapperApplicationApi.csproj
index a3d9930dc..2bcdbbfa4 100644
--- a/src/api/burn/test/WixToolsetTest.BootstrapperApplicationApi/WixToolsetTest.BootstrapperApplicationApi.csproj
+++ b/src/api/burn/test/WixToolsetTest.BootstrapperApplicationApi/WixToolsetTest.BootstrapperApplicationApi.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <RuntimeIdentifier>win-x86</RuntimeIdentifier>
     <SelfContained>false</SelfContained>
     <IsWixTestProject>true</IsWixTestProject>
diff --git a/src/api/wix/test/WixToolsetTest.Data/WixToolsetTest.Data.csproj b/src/api/wix/test/WixToolsetTest.Data/WixToolsetTest.Data.csproj
index ea26bea85..688e23f5d 100644
--- a/src/api/wix/test/WixToolsetTest.Data/WixToolsetTest.Data.csproj
+++ b/src/api/wix/test/WixToolsetTest.Data/WixToolsetTest.Data.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
 
diff --git a/src/ext/Bal/bal.cmd b/src/ext/Bal/bal.cmd
index fcea9fd50..ba4659c51 100644
--- a/src/ext/Bal/bal.cmd
+++ b/src/ext/Bal/bal.cmd
@@ -31,7 +31,7 @@ msbuild bal_t.proj -p:Configuration=%_C% -tl -nologo -warnaserror -bl:%_L%\bal_b
 :: Test
 dotnet test ^
   %_B%\x86\WixStdFnUnitTest.dll ^
-  %_B%\net6.0\WixToolsetTest.BootstrapperApplications.dll ^
+  %_B%\net8.0\WixToolsetTest.BootstrapperApplications.dll ^
   --nologo -l "trx;LogFileName=%_L%\TestResults\bal.wixext.trx" || exit /b
 
 @goto :end
diff --git a/src/ext/Bal/test/WixToolsetTest.BootstrapperApplications/WixToolsetTest.BootstrapperApplications.csproj b/src/ext/Bal/test/WixToolsetTest.BootstrapperApplications/WixToolsetTest.BootstrapperApplications.csproj
index 64fc297ce..28a6cb05e 100644
--- a/src/ext/Bal/test/WixToolsetTest.BootstrapperApplications/WixToolsetTest.BootstrapperApplications.csproj
+++ b/src/ext/Bal/test/WixToolsetTest.BootstrapperApplications/WixToolsetTest.BootstrapperApplications.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
 
diff --git a/src/ext/Bal/test/examples/EarliestCoreMBA/Example.EarliestCoreMBA.csproj b/src/ext/Bal/test/examples/EarliestCoreMBA/Example.EarliestCoreMBA.csproj
index fc99695fd..5df2f170d 100644
--- a/src/ext/Bal/test/examples/EarliestCoreMBA/Example.EarliestCoreMBA.csproj
+++ b/src/ext/Bal/test/examples/EarliestCoreMBA/Example.EarliestCoreMBA.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <RuntimeIdentifiers>win-x86;win-x64</RuntimeIdentifiers>
     <OutputType>WinExe</OutputType>
     <DebugType>embedded</DebugType>
diff --git a/src/ext/Bal/test/examples/LatestCoreMBA/Example.LatestCoreMBA.csproj b/src/ext/Bal/test/examples/LatestCoreMBA/Example.LatestCoreMBA.csproj
index 10dfca396..f826eff00 100644
--- a/src/ext/Bal/test/examples/LatestCoreMBA/Example.LatestCoreMBA.csproj
+++ b/src/ext/Bal/test/examples/LatestCoreMBA/Example.LatestCoreMBA.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <RuntimeIdentifiers>win-x86;win-x64</RuntimeIdentifiers>
     <OutputType>WinExe</OutputType>
     <DebugType>embedded</DebugType>
diff --git a/src/ext/Bal/test/examples/WPFCoreMBA/Example.WPFCoreMBA.csproj b/src/ext/Bal/test/examples/WPFCoreMBA/Example.WPFCoreMBA.csproj
index 6b9f29c86..29c523247 100644
--- a/src/ext/Bal/test/examples/WPFCoreMBA/Example.WPFCoreMBA.csproj
+++ b/src/ext/Bal/test/examples/WPFCoreMBA/Example.WPFCoreMBA.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net6.0-windows</TargetFramework>
+    <TargetFramework>net8.0-windows</TargetFramework>
     <RuntimeIdentifiers>win-x86;win-x64</RuntimeIdentifiers>
     <Description>WPF .NET Core MBA</Description>
     <UseWPF>true</UseWPF>
diff --git a/src/ext/Bal/wixext-backward-compatible/WixToolset.Bal.wixext.csproj b/src/ext/Bal/wixext-backward-compatible/WixToolset.Bal.wixext.csproj
index 7353fa667..1f612e9c9 100644
--- a/src/ext/Bal/wixext-backward-compatible/WixToolset.Bal.wixext.csproj
+++ b/src/ext/Bal/wixext-backward-compatible/WixToolset.Bal.wixext.csproj
@@ -5,7 +5,7 @@
   <Import Project="..\..\WixExt.props" />
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IncludeBuildOutput>false</IncludeBuildOutput>
     <Title>WiX Toolset BootstrapperApplications extension</Title>
     <Description>WiX Toolset BootstrapperApplications extension</Description>
diff --git a/src/ext/ComPlus/test/WixToolsetTest.ComPlus/WixToolsetTest.ComPlus.csproj b/src/ext/ComPlus/test/WixToolsetTest.ComPlus/WixToolsetTest.ComPlus.csproj
index a9e9dbef0..1cdf0fc42 100644
--- a/src/ext/ComPlus/test/WixToolsetTest.ComPlus/WixToolsetTest.ComPlus.csproj
+++ b/src/ext/ComPlus/test/WixToolsetTest.ComPlus/WixToolsetTest.ComPlus.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
 
diff --git a/src/ext/Dependency/test/WixToolsetTest.Dependency/WixToolsetTest.Dependency.csproj b/src/ext/Dependency/test/WixToolsetTest.Dependency/WixToolsetTest.Dependency.csproj
index 70b56f452..e31685af1 100644
--- a/src/ext/Dependency/test/WixToolsetTest.Dependency/WixToolsetTest.Dependency.csproj
+++ b/src/ext/Dependency/test/WixToolsetTest.Dependency/WixToolsetTest.Dependency.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
 
diff --git a/src/ext/DirectX/test/WixToolsetTest.DirectX/WixToolsetTest.DirectX.csproj b/src/ext/DirectX/test/WixToolsetTest.DirectX/WixToolsetTest.DirectX.csproj
index 31a35320c..3aa6e67f5 100644
--- a/src/ext/DirectX/test/WixToolsetTest.DirectX/WixToolsetTest.DirectX.csproj
+++ b/src/ext/DirectX/test/WixToolsetTest.DirectX/WixToolsetTest.DirectX.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
 
diff --git a/src/ext/Firewall/test/WixToolsetTest.Firewall/WixToolsetTest.Firewall.csproj b/src/ext/Firewall/test/WixToolsetTest.Firewall/WixToolsetTest.Firewall.csproj
index e46020a62..fcddbc1f6 100644
--- a/src/ext/Firewall/test/WixToolsetTest.Firewall/WixToolsetTest.Firewall.csproj
+++ b/src/ext/Firewall/test/WixToolsetTest.Firewall/WixToolsetTest.Firewall.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
 
diff --git a/src/ext/Http/test/WixToolsetTest.Http/WixToolsetTest.Http.csproj b/src/ext/Http/test/WixToolsetTest.Http/WixToolsetTest.Http.csproj
index b23ef4819..fd0f47496 100644
--- a/src/ext/Http/test/WixToolsetTest.Http/WixToolsetTest.Http.csproj
+++ b/src/ext/Http/test/WixToolsetTest.Http/WixToolsetTest.Http.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
 
diff --git a/src/ext/Iis/test/WixToolsetTest.Iis/WixToolsetTest.Iis.csproj b/src/ext/Iis/test/WixToolsetTest.Iis/WixToolsetTest.Iis.csproj
index a39e5b0b2..407b5e0fa 100644
--- a/src/ext/Iis/test/WixToolsetTest.Iis/WixToolsetTest.Iis.csproj
+++ b/src/ext/Iis/test/WixToolsetTest.Iis/WixToolsetTest.Iis.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
 
diff --git a/src/ext/Msmq/test/WixToolsetTest.Msmq/WixToolsetTest.Msmq.csproj b/src/ext/Msmq/test/WixToolsetTest.Msmq/WixToolsetTest.Msmq.csproj
index e7b6f21e0..adadc38cd 100644
--- a/src/ext/Msmq/test/WixToolsetTest.Msmq/WixToolsetTest.Msmq.csproj
+++ b/src/ext/Msmq/test/WixToolsetTest.Msmq/WixToolsetTest.Msmq.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
 
diff --git a/src/ext/NetFx/netfx.cmd b/src/ext/NetFx/netfx.cmd
index e6301d7f3..ab2c6f7db 100644
--- a/src/ext/NetFx/netfx.cmd
+++ b/src/ext/NetFx/netfx.cmd
@@ -27,7 +27,7 @@ msbuild -Restore -p:Configuration=%_C% -tl -nologo -warnaserror -bl:%_L%\ext_net
 
 :: Test
 dotnet test ^
- %_B%\net6.0\WixToolsetTest.NetFx.dll ^
+ %_B%\net8.0\WixToolsetTest.NetFx.dll ^
  --nologo -l "trx;LogFileName=%_L%\TestResults\netfx.wixext.trx" || exit /b
 
 :: Pack
diff --git a/src/ext/NetFx/test/WixToolsetTest.Netfx/WixToolsetTest.Netfx.csproj b/src/ext/NetFx/test/WixToolsetTest.Netfx/WixToolsetTest.Netfx.csproj
index 4e509cce9..bb9485d7b 100644
--- a/src/ext/NetFx/test/WixToolsetTest.Netfx/WixToolsetTest.Netfx.csproj
+++ b/src/ext/NetFx/test/WixToolsetTest.Netfx/WixToolsetTest.Netfx.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
 
diff --git a/src/ext/PowerShell/test/WixToolsetTest.PowerShell/WixToolsetTest.Powershell.csproj b/src/ext/PowerShell/test/WixToolsetTest.PowerShell/WixToolsetTest.Powershell.csproj
index 347ca1ed0..24212e520 100644
--- a/src/ext/PowerShell/test/WixToolsetTest.PowerShell/WixToolsetTest.Powershell.csproj
+++ b/src/ext/PowerShell/test/WixToolsetTest.PowerShell/WixToolsetTest.Powershell.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
 
diff --git a/src/ext/Sql/test/WixToolsetTest.Sql/WixToolsetTest.Sql.csproj b/src/ext/Sql/test/WixToolsetTest.Sql/WixToolsetTest.Sql.csproj
index 6c848683a..285a7067d 100644
--- a/src/ext/Sql/test/WixToolsetTest.Sql/WixToolsetTest.Sql.csproj
+++ b/src/ext/Sql/test/WixToolsetTest.Sql/WixToolsetTest.Sql.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
 
diff --git a/src/ext/UI/test/WixToolsetTest.UI/WixToolsetTest.UI.csproj b/src/ext/UI/test/WixToolsetTest.UI/WixToolsetTest.UI.csproj
index 675f14f81..20f442e03 100644
--- a/src/ext/UI/test/WixToolsetTest.UI/WixToolsetTest.UI.csproj
+++ b/src/ext/UI/test/WixToolsetTest.UI/WixToolsetTest.UI.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
 
diff --git a/src/ext/Util/test/WixToolsetTest.Util/WixToolsetTest.Util.csproj b/src/ext/Util/test/WixToolsetTest.Util/WixToolsetTest.Util.csproj
index 16d0e1384..dfac4692f 100644
--- a/src/ext/Util/test/WixToolsetTest.Util/WixToolsetTest.Util.csproj
+++ b/src/ext/Util/test/WixToolsetTest.Util/WixToolsetTest.Util.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
 
diff --git a/src/ext/Util/util.cmd b/src/ext/Util/util.cmd
index fb761dec5..20ab6d107 100644
--- a/src/ext/Util/util.cmd
+++ b/src/ext/Util/util.cmd
@@ -24,7 +24,7 @@ msbuild -Restore -p:Configuration=%_C% -tl -nologo -warnaserror -bl:%_L%\ext_uti
 
 :: Test
 dotnet test ^
- %_B%\net6.0\WixToolsetTest.Util.dll ^
+ %_B%\net8.0\WixToolsetTest.Util.dll ^
  --nologo -l "trx;LogFileName=%_L%\TestResults\util.wixext.trx" || exit /b
 
 :: Pack
diff --git a/src/ext/VisualStudio/test/WixToolsetTest.VisualStudio/WixToolsetTest.VisualStudio.csproj b/src/ext/VisualStudio/test/WixToolsetTest.VisualStudio/WixToolsetTest.VisualStudio.csproj
index 2b0a7c1c6..761379e6c 100644
--- a/src/ext/VisualStudio/test/WixToolsetTest.VisualStudio/WixToolsetTest.VisualStudio.csproj
+++ b/src/ext/VisualStudio/test/WixToolsetTest.VisualStudio/WixToolsetTest.VisualStudio.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
 
diff --git a/src/internal/SetBuildNumber/SetBuildNumber.proj b/src/internal/SetBuildNumber/SetBuildNumber.proj
index 9ff4e7c33..cbd1f84fb 100644
--- a/src/internal/SetBuildNumber/SetBuildNumber.proj
+++ b/src/internal/SetBuildNumber/SetBuildNumber.proj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.Build.NoTargets/3.5.6">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <!-- Disable central package version management since this project will write the central package version management file -->
     <ManagePackageVersionsCentrally>false</ManagePackageVersionsCentrally>
 
diff --git a/src/libs/libs.cmd b/src/libs/libs.cmd
index 550e84b2e..3207cd9bd 100644
--- a/src/libs/libs.cmd
+++ b/src/libs/libs.cmd
@@ -22,7 +22,7 @@
 msbuild -Restore libs_t.proj -p:Configuration=%_C% -tl -nologo -m -warnaserror -bl:%_L%\libs_build.binlog || exit /b
 
 dotnet test ^
- %_B%\net6.0\WixToolsetTest.Versioning.dll ^
+ %_B%\net8.0\WixToolsetTest.Versioning.dll ^
  %_B%\x86\DUtilUnitTest.dll ^
  %_B%\x64\DUtilUnitTest.dll ^
  --nologo -l "trx;LogFileName=%_L%\TestResults\libs.trx" || exit /b
diff --git a/src/libs/test/WixToolsetTest.Versioning/WixToolsetTest.Versioning.csproj b/src/libs/test/WixToolsetTest.Versioning/WixToolsetTest.Versioning.csproj
index 79d4ef35e..52fbf0de9 100644
--- a/src/libs/test/WixToolsetTest.Versioning/WixToolsetTest.Versioning.csproj
+++ b/src/libs/test/WixToolsetTest.Versioning/WixToolsetTest.Versioning.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
 
diff --git a/src/test/burn/Directory.wixproj.props b/src/test/burn/Directory.wixproj.props
index 49a6ba621..9bda487e0 100644
--- a/src/test/burn/Directory.wixproj.props
+++ b/src/test/burn/Directory.wixproj.props
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TestGroupName Condition=" '$(TestGroupName)'=='' ">$([System.IO.Path]::GetFileName($([System.IO.Path]::GetDirectoryName($(MSBuildProjectDirectory)))))</TestGroupName>
     <BaseIntermediateOutputPath>$(BaseOutputPath)obj\$(TestGroupName)\$(ProjectName)\</BaseIntermediateOutputPath>
-    <OutputPath>$(OutputPath)net6.0-windows\TestData\$(TestGroupName)\</OutputPath>
+    <OutputPath>$(OutputPath)net8.0-windows\TestData\$(TestGroupName)\</OutputPath>
     <DefaultCompressionLevel>None</DefaultCompressionLevel>
     <CompilerAdditionalOptions>-wx</CompilerAdditionalOptions>
     <SuppressSpecificWarnings>1154;$(SuppressSpecificWarnings)</SuppressSpecificWarnings>
diff --git a/src/test/burn/README.md b/src/test/burn/README.md
index 30623b7ed..092491e49 100644
--- a/src/test/burn/README.md
+++ b/src/test/burn/README.md
@@ -10,8 +10,8 @@ They modify machine state so it's strongly recommended *not* to run these tests
 They should be run on a VM instead, where you can easily roll back.
 
 1. Run build.cmd to build everything (the tests will not automatically run).
-1. Copy the build\IntegrationBurn\Debug\net6.0-windows folder to your VM.
-1. Open an elevated command prompt and navigate to the net6.0-windows folder.
+1. Copy the build\IntegrationBurn\Debug\net8.0-windows folder to your VM.
+1. Open an elevated command prompt and navigate to the net8.0-windows folder.
 1. Run the runtests.cmd file to run the tests.
 
 You can modify the runtests.cmd to run specific tests.
diff --git a/src/test/burn/TestBA/TestBA.csproj b/src/test/burn/TestBA/TestBA.csproj
index 097571829..45a241888 100644
--- a/src/test/burn/TestBA/TestBA.csproj
+++ b/src/test/burn/TestBA/TestBA.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net462;net6.0-windows</TargetFrameworks>
+    <TargetFrameworks>net462;net8.0-windows</TargetFrameworks>
     <OutputType>WinExe</OutputType>
     <AssemblyName>TestBA</AssemblyName>
     <RootNamespace>WixToolset.Test.BA</RootNamespace>
diff --git a/src/test/burn/TestBA/TestBA_x64.csproj b/src/test/burn/TestBA/TestBA_x64.csproj
index 1721307cd..fbac92407 100644
--- a/src/test/burn/TestBA/TestBA_x64.csproj
+++ b/src/test/burn/TestBA/TestBA_x64.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net462;net6.0-windows</TargetFrameworks>
+    <TargetFrameworks>net462;net8.0-windows</TargetFrameworks>
     <OutputType>WinExe</OutputType>
     <AssemblyName>TestBA</AssemblyName>
     <RootNamespace>WixToolset.Test.BA</RootNamespace>
diff --git a/src/test/burn/TestData/CacheTests/BundleC/BundleC.wixproj b/src/test/burn/TestData/CacheTests/BundleC/BundleC.wixproj
index bd5b53eb3..37b465af2 100644
--- a/src/test/burn/TestData/CacheTests/BundleC/BundleC.wixproj
+++ b/src/test/burn/TestData/CacheTests/BundleC/BundleC.wixproj
@@ -17,7 +17,7 @@
   </ItemGroup>
   <!-- We do this dynamically to avoid committing such a large file to source control. -->
   <Target Name="CreateLargeFile" AfterTargets="BeforeBuild" Inputs="$(MSBuildProjectFullPath)" Outputs="$(MSBuildProjectDirectory)\fivegb.file">
-    <Exec Command='"$(BaseOutputPath)$(Configuration)\net6.0\win-x86\testexe.exe" /lf "fivegb.file|5368709120' WorkingDirectory="$(MSBuildProjectDirectory)" />
+    <Exec Command='"$(BaseOutputPath)$(Configuration)\net8.0\win-x86\testexe.exe" /lf "fivegb.file|5368709120' WorkingDirectory="$(MSBuildProjectDirectory)" />
   </Target>
   <!-- We do this to avoid copying such a large file to the VM to run the tests. -->
   <Target Name="DeleteLargeFile" AfterTargets="AfterBuild">
diff --git a/src/test/burn/TestData/Manual/BundleB/BundleB.wixproj b/src/test/burn/TestData/Manual/BundleB/BundleB.wixproj
index 8fa04cab3..997becc15 100644
--- a/src/test/burn/TestData/Manual/BundleB/BundleB.wixproj
+++ b/src/test/burn/TestData/Manual/BundleB/BundleB.wixproj
@@ -31,8 +31,8 @@
 
   <!-- We do this dynamically to avoid committing so many files to source control. -->
   <Target Name="CreateThousandsOfFiles" AfterTargets="BeforeBuild">
-    <Exec Command='"$(BaseOutputPath)$(Configuration)\net6.0\win-x86\testexe.exe" /gf "BAPayloads|10000' WorkingDirectory="$(MSBuildProjectDirectory)" />
-    <Exec Command='"$(BaseOutputPath)$(Configuration)\net6.0\win-x86\testexe.exe" /gf "PackagePayloads|10000' WorkingDirectory="$(MSBuildProjectDirectory)" />
+    <Exec Command='"$(BaseOutputPath)$(Configuration)\net8.0\win-x86\testexe.exe" /gf "BAPayloads|10000' WorkingDirectory="$(MSBuildProjectDirectory)" />
+    <Exec Command='"$(BaseOutputPath)$(Configuration)\net8.0\win-x86\testexe.exe" /gf "PackagePayloads|10000' WorkingDirectory="$(MSBuildProjectDirectory)" />
   </Target>
 
   <Target Name="DeleteThousandsOfFiles" AfterTargets="AfterBuild">
diff --git a/src/test/burn/TestData/PrereqBaTests/BundleA/BundleA.wixproj b/src/test/burn/TestData/PrereqBaTests/BundleA/BundleA.wixproj
index 553d0c591..8c768c9ee 100644
--- a/src/test/burn/TestData/PrereqBaTests/BundleA/BundleA.wixproj
+++ b/src/test/burn/TestData/PrereqBaTests/BundleA/BundleA.wixproj
@@ -9,7 +9,7 @@
     <Compile Include="..\..\Templates\Bundle.wxs" Link="Bundle.wxs" />
   </ItemGroup>
   <ItemGroup>
-    <BindInputPaths Include="$(BaseOutputPath)$(Configuration)\net6.0-windows\win-x86" BindName="dncx86" />
+    <BindInputPaths Include="$(BaseOutputPath)$(Configuration)\net8.0-windows\win-x86" BindName="dncx86" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\PackageA\PackageA.wixproj" />
diff --git a/src/test/burn/TestData/PrereqBaTests/BundleC/BundleC.wixproj b/src/test/burn/TestData/PrereqBaTests/BundleC/BundleC.wixproj
index 7bd24a713..f327c39a4 100644
--- a/src/test/burn/TestData/PrereqBaTests/BundleC/BundleC.wixproj
+++ b/src/test/burn/TestData/PrereqBaTests/BundleC/BundleC.wixproj
@@ -9,7 +9,7 @@
     <Compile Include="..\..\Templates\Bundle.wxs" Link="Bundle.wxs" />
   </ItemGroup>
   <ItemGroup>
-    <BindInputPaths Include="$(BaseOutputPath)$(Configuration)\net6.0-windows\win-x86" BindName="dncx86" />
+    <BindInputPaths Include="$(BaseOutputPath)$(Configuration)\net8.0-windows\win-x86" BindName="dncx86" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\PackageA\PackageA.wixproj" />
diff --git a/src/test/burn/TestData/PrereqBaTests/BundleE/BundleE.wixproj b/src/test/burn/TestData/PrereqBaTests/BundleE/BundleE.wixproj
index 863452607..5c2a5420e 100644
--- a/src/test/burn/TestData/PrereqBaTests/BundleE/BundleE.wixproj
+++ b/src/test/burn/TestData/PrereqBaTests/BundleE/BundleE.wixproj
@@ -9,7 +9,7 @@
     <Compile Include="..\..\Templates\Bundle.wxs" Link="Bundle.wxs" />
   </ItemGroup>
   <ItemGroup>
-    <BindInputPaths Include="$(BaseOutputPath)$(Configuration)\net6.0-windows\win-x86" BindName="dncx86" />
+    <BindInputPaths Include="$(BaseOutputPath)$(Configuration)\net8.0-windows\win-x86" BindName="dncx86" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\PrereqBaf\PrereqBaf.vcxproj" />
diff --git a/src/test/burn/TestData/TestBA/TestBAWixlib/testbawixlib.wixproj b/src/test/burn/TestData/TestBA/TestBAWixlib/testbawixlib.wixproj
index d7e4d77ce..8fb7811f6 100644
--- a/src/test/burn/TestData/TestBA/TestBAWixlib/testbawixlib.wixproj
+++ b/src/test/burn/TestData/TestBA/TestBAWixlib/testbawixlib.wixproj
@@ -8,7 +8,7 @@
   <ItemGroup>
     <BindInputPaths Include="$(BaseOutputPath)$(Configuration)\net462\win-x86" BindName="net2x86" />
     <BindInputPaths Include="$(BaseOutputPath)$(Configuration)\net472\win-x86" BindName="net4x86" />
-    <BindInputPaths Include="$(BaseOutputPath)$(Configuration)\net6.0-windows\win-x86" BindName="dncx86" />
+    <BindInputPaths Include="$(BaseOutputPath)$(Configuration)\net8.0-windows\win-x86" BindName="dncx86" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\TestBA\TestBA.csproj" />
diff --git a/src/test/burn/TestData/TestBA/TestBAWixlib_x64/testbawixlib_x64.wixproj b/src/test/burn/TestData/TestBA/TestBAWixlib_x64/testbawixlib_x64.wixproj
index d86747cbf..cb6c406ac 100644
--- a/src/test/burn/TestData/TestBA/TestBAWixlib_x64/testbawixlib_x64.wixproj
+++ b/src/test/burn/TestData/TestBA/TestBAWixlib_x64/testbawixlib_x64.wixproj
@@ -9,7 +9,7 @@
   <ItemGroup>
     <BindInputPaths Include="$(BaseOutputPath)$(Configuration)\net462\win-x64" BindName="net2x64" />
     <BindInputPaths Include="$(BaseOutputPath)$(Configuration)\net472\win-x64" BindName="net4x64" />
-    <BindInputPaths Include="$(BaseOutputPath)$(Configuration)\net6.0-windows\win-x64" BindName="dncx64" />
+    <BindInputPaths Include="$(BaseOutputPath)$(Configuration)\net8.0-windows\win-x64" BindName="dncx64" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\TestBA\TestBA_x64.csproj" />
diff --git a/src/test/burn/TestExe/TestExe.csproj b/src/test/burn/TestExe/TestExe.csproj
index 9209dfd75..c72681c8a 100644
--- a/src/test/burn/TestExe/TestExe.csproj
+++ b/src/test/burn/TestExe/TestExe.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net462;net6.0</TargetFrameworks>
+    <TargetFrameworks>net462;net8.0</TargetFrameworks>
     <AssemblyName>TestExe</AssemblyName>
     <RootNamespace>TestExe</RootNamespace>
     <OutputType>Exe</OutputType>
diff --git a/src/test/burn/WixTestTools/WixTestTools.csproj b/src/test/burn/WixTestTools/WixTestTools.csproj
index 237570080..f2ddb385e 100644
--- a/src/test/burn/WixTestTools/WixTestTools.csproj
+++ b/src/test/burn/WixTestTools/WixTestTools.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0-windows</TargetFramework>
+    <TargetFramework>net8.0-windows</TargetFramework>
     <PlatformTarget>x64</PlatformTarget>
     <IsWixTestSupportProject>true</IsWixTestSupportProject>
   </PropertyGroup>
diff --git a/src/test/burn/WixToolset.WixBA/WixToolset.WixBA.csproj b/src/test/burn/WixToolset.WixBA/WixToolset.WixBA.csproj
index db0d1da9f..a967e1ce7 100644
--- a/src/test/burn/WixToolset.WixBA/WixToolset.WixBA.csproj
+++ b/src/test/burn/WixToolset.WixBA/WixToolset.WixBA.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;net6.0-windows</TargetFrameworks>
+    <TargetFrameworks>net472;net8.0-windows</TargetFrameworks>
     <OutputType>WinExe</OutputType>
     <AssemblyName>WixToolset.WixBA</AssemblyName>
     <RootNamespace>WixToolset.WixBA</RootNamespace>
diff --git a/src/test/burn/WixToolset.WixBA/WixToolset.WixBA_x64.csproj b/src/test/burn/WixToolset.WixBA/WixToolset.WixBA_x64.csproj
index 8291c73b7..1b154cfbe 100644
--- a/src/test/burn/WixToolset.WixBA/WixToolset.WixBA_x64.csproj
+++ b/src/test/burn/WixToolset.WixBA/WixToolset.WixBA_x64.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;net6.0-windows</TargetFrameworks>
+    <TargetFrameworks>net472;net8.0-windows</TargetFrameworks>
     <OutputType>WinExe</OutputType>
     <AssemblyName>WixToolset.WixBA</AssemblyName>
     <RootNamespace>WixToolset.WixBA</RootNamespace>
diff --git a/src/test/burn/WixToolsetTest.BurnE2E/WixToolsetTest.BurnE2E.csproj b/src/test/burn/WixToolsetTest.BurnE2E/WixToolsetTest.BurnE2E.csproj
index 0b572c2eb..9f0754ed6 100644
--- a/src/test/burn/WixToolsetTest.BurnE2E/WixToolsetTest.BurnE2E.csproj
+++ b/src/test/burn/WixToolsetTest.BurnE2E/WixToolsetTest.BurnE2E.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0-windows</TargetFramework>
+    <TargetFramework>net8.0-windows</TargetFramework>
     <PlatformTarget>x64</PlatformTarget>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
diff --git a/src/test/burn/test_burn.cmd b/src/test/burn/test_burn.cmd
index 178ac7e25..a956c8384 100644
--- a/src/test/burn/test_burn.cmd
+++ b/src/test/burn/test_burn.cmd
@@ -16,8 +16,8 @@
 msbuild -Restore -p:Configuration=%_C% -tl -nologo -m -warnaserror -bl:%_L%\test_burn_build.binlog || exit /b
 msbuild -Restore TestData\TestData.proj -p:Configuration=%_C% -tl -nologo -m -warnaserror -bl:%_L%\test_burn_data_build.binlog || exit /b
 
-"%_B%\net462\win-x86\testexe.exe" /dm "%_B%\net6.0-windows\testhost.exe"
-mt.exe -manifest "WixToolsetTest.BurnE2E\testhost.longpathaware.manifest" -updateresource:"%_B%\net6.0-windows\testhost.exe"
+"%_B%\net462\win-x86\testexe.exe" /dm "%_B%\net8.0-windows\testhost.exe"
+mt.exe -manifest "WixToolsetTest.BurnE2E\testhost.longpathaware.manifest" -updateresource:"%_B%\net8.0-windows\testhost.exe"
 
 @if not "%RuntimeTestsEnabled%"=="true" goto :LExit
 
diff --git a/src/test/msi/Directory.wixproj.props b/src/test/msi/Directory.wixproj.props
index de825e302..9325dcb67 100644
--- a/src/test/msi/Directory.wixproj.props
+++ b/src/test/msi/Directory.wixproj.props
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TestGroupName Condition=" '$(TestGroupName)'=='' ">$([System.IO.Path]::GetFileName($([System.IO.Path]::GetDirectoryName($(MSBuildProjectDirectory)))))</TestGroupName>
     <BaseIntermediateOutputPath>$(BaseOutputPath)obj\$(TestGroupName)\$(ProjectName)\</BaseIntermediateOutputPath>
-    <OutputPath>$(OutputPath)net6.0-windows\TestData\$(TestGroupName)\</OutputPath>
+    <OutputPath>$(OutputPath)net8.0-windows\TestData\$(TestGroupName)\</OutputPath>
     <DefaultCompressionLevel>None</DefaultCompressionLevel>
     <CompilerAdditionalOptions>-wx</CompilerAdditionalOptions>
     <SuppressValidation>true</SuppressValidation>
diff --git a/src/test/msi/README.md b/src/test/msi/README.md
index f4c42029e..79a8a28b2 100644
--- a/src/test/msi/README.md
+++ b/src/test/msi/README.md
@@ -10,8 +10,8 @@ They modify machine state so it's strongly recommended *not* to run these tests
 They should be run on a VM instead, where you can easily roll back.
 
 1. Run build.cmd to build everything (the tests will not automatically run).
-1. Copy the build\IntegrationMsi\Debug\net6.0-windows folder to your VM.
-1. Open an elevated command prompt and navigate to the net6.0-windows folder.
+1. Copy the build\IntegrationMsi\Debug\net8.0-windows folder to your VM.
+1. Open an elevated command prompt and navigate to the net8.0-windows folder.
 1. Run the runtests.cmd file to run the tests.
 
 You can modify the runtests.cmd to run specific tests.
diff --git a/src/test/msi/WixToolsetTest.MsiE2E/WixToolsetTest.MsiE2E.csproj b/src/test/msi/WixToolsetTest.MsiE2E/WixToolsetTest.MsiE2E.csproj
index 44cc738e1..00cbc2dc8 100644
--- a/src/test/msi/WixToolsetTest.MsiE2E/WixToolsetTest.MsiE2E.csproj
+++ b/src/test/msi/WixToolsetTest.MsiE2E/WixToolsetTest.MsiE2E.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0-windows</TargetFramework>
+    <TargetFramework>net8.0-windows</TargetFramework>
     <PlatformTarget>x64</PlatformTarget>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
diff --git a/src/test/wix/TestData/CsprojClassLibraryMultiFramework/CsprojClassLibraryMultiFramework.csproj b/src/test/wix/TestData/CsprojClassLibraryMultiFramework/CsprojClassLibraryMultiFramework.csproj
index bc30bf4bf..3fc6a7c8d 100644
--- a/src/test/wix/TestData/CsprojClassLibraryMultiFramework/CsprojClassLibraryMultiFramework.csproj
+++ b/src/test/wix/TestData/CsprojClassLibraryMultiFramework/CsprojClassLibraryMultiFramework.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net472</TargetFrameworks>
+    <TargetFrameworks>net8.0;net472</TargetFrameworks>
     <DebugType>embedded</DebugType>
   </PropertyGroup>
 
diff --git a/src/test/wix/TestData/CsprojClassLibraryMultiTarget/CsprojClassLibraryMultiTarget.csproj b/src/test/wix/TestData/CsprojClassLibraryMultiTarget/CsprojClassLibraryMultiTarget.csproj
index e2fa94f5d..e75669141 100644
--- a/src/test/wix/TestData/CsprojClassLibraryMultiTarget/CsprojClassLibraryMultiTarget.csproj
+++ b/src/test/wix/TestData/CsprojClassLibraryMultiTarget/CsprojClassLibraryMultiTarget.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net472;net6.0</TargetFrameworks>
+    <TargetFrameworks>net472;net8.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/test/wix/TestData/CsprojConsoleMultiFramework/CsprojConsoleMultiFramework.csproj b/src/test/wix/TestData/CsprojConsoleMultiFramework/CsprojConsoleMultiFramework.csproj
index bb8a8b3ea..095a48bdd 100644
--- a/src/test/wix/TestData/CsprojConsoleMultiFramework/CsprojConsoleMultiFramework.csproj
+++ b/src/test/wix/TestData/CsprojConsoleMultiFramework/CsprojConsoleMultiFramework.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>net6.0;net472</TargetFrameworks>
+    <TargetFrameworks>net8.0;net472</TargetFrameworks>
     <RuntimeIdentifiers>win-x86</RuntimeIdentifiers>
   </PropertyGroup>
 
diff --git a/src/test/wix/TestData/CsprojConsoleNetCore/CsprojConsoleNetCore.csproj b/src/test/wix/TestData/CsprojConsoleNetCore/CsprojConsoleNetCore.csproj
index b58706ec7..8dd479790 100644
--- a/src/test/wix/TestData/CsprojConsoleNetCore/CsprojConsoleNetCore.csproj
+++ b/src/test/wix/TestData/CsprojConsoleNetCore/CsprojConsoleNetCore.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <RuntimeIdentifiers>win-x86</RuntimeIdentifiers>
   </PropertyGroup>
 
diff --git a/src/test/wix/TestData/CsprojWebApplicationNetCore/CsprojWebApplicationNetCore.csproj b/src/test/wix/TestData/CsprojWebApplicationNetCore/CsprojWebApplicationNetCore.csproj
index 2cd83a64e..cae0d3a6d 100644
--- a/src/test/wix/TestData/CsprojWebApplicationNetCore/CsprojWebApplicationNetCore.csproj
+++ b/src/test/wix/TestData/CsprojWebApplicationNetCore/CsprojWebApplicationNetCore.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/test/wix/TestData/WixprojLibraryMultiFramework/Library.wxs b/src/test/wix/TestData/WixprojLibraryMultiFramework/Library.wxs
index cf3d2d358..d8c68c943 100644
--- a/src/test/wix/TestData/WixprojLibraryMultiFramework/Library.wxs
+++ b/src/test/wix/TestData/WixprojLibraryMultiFramework/Library.wxs
@@ -1,13 +1,13 @@
 <Wix xmlns="http://wixtoolset.org/schemas/v4/wxs" xmlns:ui="http://wixtoolset.org/schemas/v4/wxs/ui">
   <Fragment>
-    <ComponentGroup Id='CsprojClassLibraryMultiFrameworkNet60' Directory='ApplicationFolder' Subdirectory="net6.0">
+    <ComponentGroup Id='CsprojClassLibraryMultiFrameworkNet60' Directory='ApplicationFolder' Subdirectory="net8.0">
       <Component>
-        <File Id="Net60" Source='!(bindpath.CsprojConsoleMultiFramework.net6.0)CsprojConsoleMultiFramework.exe' />
-        <File Source='!(bindpath.CsprojConsoleMultiFramework.net6.0)CsprojConsoleMultiFramework.deps.json' />
-        <File Source='!(bindpath.CsprojConsoleMultiFramework.net6.0)CsprojConsoleMultiFramework.runtimeconfig.json' />
+        <File Id="Net60" Source='!(bindpath.CsprojConsoleMultiFramework.net8.0)CsprojConsoleMultiFramework.exe' />
+        <File Source='!(bindpath.CsprojConsoleMultiFramework.net8.0)CsprojConsoleMultiFramework.deps.json' />
+        <File Source='!(bindpath.CsprojConsoleMultiFramework.net8.0)CsprojConsoleMultiFramework.runtimeconfig.json' />
       </Component>
       <Component>
-        <File Source='!(bindpath.CsprojConsoleMultiFramework.net6.0)CsprojClassLibraryMultiFramework.dll' />
+        <File Source='!(bindpath.CsprojConsoleMultiFramework.net8.0)CsprojClassLibraryMultiFramework.dll' />
       </Component>
     </ComponentGroup>
   </Fragment>
diff --git a/src/test/wix/TestData/WixprojLibraryMultiFramework/WixprojLibraryMultiFramework.wixproj b/src/test/wix/TestData/WixprojLibraryMultiFramework/WixprojLibraryMultiFramework.wixproj
index cc21813a4..2db64e4de 100644
--- a/src/test/wix/TestData/WixprojLibraryMultiFramework/WixprojLibraryMultiFramework.wixproj
+++ b/src/test/wix/TestData/WixprojLibraryMultiFramework/WixprojLibraryMultiFramework.wixproj
@@ -7,6 +7,6 @@
 
   <ItemGroup>
     <ProjectReference Include="..\CsprojConsoleMultiFramework\CsprojConsoleMultiFramework.csproj"
-                      TargetFrameworks="net472;net6.0" Publish="true" />
+                      TargetFrameworks="net472;net8.0" Publish="true" />
   </ItemGroup>
 </Project>
diff --git a/src/test/wix/TestData/WixprojPackageCsprojWebApplicationNetCore/WixprojPackageCsprojWebApplicationNetCore.wixproj b/src/test/wix/TestData/WixprojPackageCsprojWebApplicationNetCore/WixprojPackageCsprojWebApplicationNetCore.wixproj
index eacfb9f0f..8db9cf969 100644
--- a/src/test/wix/TestData/WixprojPackageCsprojWebApplicationNetCore/WixprojPackageCsprojWebApplicationNetCore.wixproj
+++ b/src/test/wix/TestData/WixprojPackageCsprojWebApplicationNetCore/WixprojPackageCsprojWebApplicationNetCore.wixproj
@@ -1,7 +1,7 @@
 <!-- Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information. -->
 <Project Sdk="PanelSwWix4.Sdk">
 <!-- <Project> -->
-  <!-- <Import Sdk="PanelSwWix4.Sdk" Project='D:\src\wix4\build\wix\Debug\net6.0\Sdk\Sdk.props' /> -->
+  <!-- <Import Sdk="PanelSwWix4.Sdk" Project='D:\src\wix4\build\wix\Debug\net8.0\Sdk\Sdk.props' /> -->
 
   <PropertyGroup>
     <!-- <WixBinDir>D:\src\wix4\build\wix\Debug\net472\</WixBinDir> -->
@@ -13,5 +13,5 @@
     <ProjectReference Include="..\CsprojWebApplicationNetCore\CsprojWebApplicationNetCore.csproj" Publish="true" />
   </ItemGroup>
 
-  <!-- <Import Sdk="PanelSwWix4.Sdk" Project='D:\src\wix4\build\wix\Debug\net6.0\Sdk\Sdk.targets' /> -->
+  <!-- <Import Sdk="PanelSwWix4.Sdk" Project='D:\src\wix4\build\wix\Debug\net8.0\Sdk\Sdk.targets' /> -->
 </Project>
diff --git a/src/test/wix/TestData/WixprojPackageCsprojWpfNetCore/WixprojPackageCsprojWebApplicationNetCore.wixproj b/src/test/wix/TestData/WixprojPackageCsprojWpfNetCore/WixprojPackageCsprojWebApplicationNetCore.wixproj
index 0cca43fa6..4c4d02913 100644
--- a/src/test/wix/TestData/WixprojPackageCsprojWpfNetCore/WixprojPackageCsprojWebApplicationNetCore.wixproj
+++ b/src/test/wix/TestData/WixprojPackageCsprojWpfNetCore/WixprojPackageCsprojWebApplicationNetCore.wixproj
@@ -1,7 +1,7 @@
 <!-- Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information. -->
 <Project Sdk="PanelSwWix4.Sdk">
 <!-- <Project> -->
-  <!-- <Import Sdk="PanelSwWix4.Sdk" Project='D:\src\wix4\build\wix\Debug\net6.0\Sdk\Sdk.props' /> -->
+  <!-- <Import Sdk="PanelSwWix4.Sdk" Project='D:\src\wix4\build\wix\Debug\net8.0\Sdk\Sdk.props' /> -->
 
   <PropertyGroup>
     <!-- <WixBinDir>D:\src\wix4\build\wix\Debug\net472\</WixBinDir> -->
@@ -13,5 +13,5 @@
     <ProjectReference Include="..\CsprojWpfNetCore\CsprojWpfNetCore.csproj" Publish="true" />
   </ItemGroup>
 
-  <!-- <Import Sdk="PanelSwWix4.Sdk" Project='D:\src\wix4\build\wix\Debug\net6.0\Sdk\Sdk.targets' /> -->
+  <!-- <Import Sdk="PanelSwWix4.Sdk" Project='D:\src\wix4\build\wix\Debug\net8.0\Sdk\Sdk.targets' /> -->
 </Project>
diff --git a/src/tools/WixToolset.Heat/WixToolset.Heat.csproj b/src/tools/WixToolset.Heat/WixToolset.Heat.csproj
index 2166028a7..bb77a19f5 100644
--- a/src/tools/WixToolset.Heat/WixToolset.Heat.csproj
+++ b/src/tools/WixToolset.Heat/WixToolset.Heat.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net6.0</TargetFrameworks>
+    <TargetFrameworks>net8.0</TargetFrameworks>
     <Description>WiX Toolset Heat MSBuild integration</Description>
     <PublishDir>$(PublishRoot)WixToolset.Heat\</PublishDir>
     <NuspecFile>$(MSBuildThisFileName).nuspec</NuspecFile>
diff --git a/src/tools/WixToolset.Heat/WixToolset.Heat.targets b/src/tools/WixToolset.Heat/WixToolset.Heat.targets
index 8c1d12861..9ea55fcd9 100644
--- a/src/tools/WixToolset.Heat/WixToolset.Heat.targets
+++ b/src/tools/WixToolset.Heat/WixToolset.Heat.targets
@@ -5,7 +5,7 @@
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <!-- These properties can be overridden to support non-default installations. -->
   <PropertyGroup>
-    <WixHeatBinDir Condition=" '$(WixHeatBinDir)' == '' and '$(MSBuildRuntimeType)' == 'Core' ">$(MSBuildThisFileDirectory)..\tools\net6.0\</WixHeatBinDir>
+    <WixHeatBinDir Condition=" '$(WixHeatBinDir)' == '' and '$(MSBuildRuntimeType)' == 'Core' ">$(MSBuildThisFileDirectory)..\tools\net8.0\</WixHeatBinDir>
     <WixHeatBinDir Condition=" '$(WixHeatBinDir)' == '' ">$(MSBuildThisFileDirectory)..\tools\net472\</WixHeatBinDir>
     <WixHeatTasksPath Condition=" '$(WixHeatTasksPath)' == '' ">$(WixHeatBinDir)WixToolset.HeatTasks.dll</WixHeatTasksPath>
 
diff --git a/src/tools/WixToolset.HeatTasks/WixToolset.HeatTasks.csproj b/src/tools/WixToolset.HeatTasks/WixToolset.HeatTasks.csproj
index 214608106..769c466b9 100644
--- a/src/tools/WixToolset.HeatTasks/WixToolset.HeatTasks.csproj
+++ b/src/tools/WixToolset.HeatTasks/WixToolset.HeatTasks.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net472</TargetFrameworks>
+    <TargetFrameworks>net8.0;net472</TargetFrameworks>
     <Title>WiX Toolset Heat MSBuild Tasks</Title>
     <DebugType>embedded</DebugType>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
diff --git a/src/tools/heat/heat.csproj b/src/tools/heat/heat.csproj
index 6f301d7f6..0865e21a1 100644
--- a/src/tools/heat/heat.csproj
+++ b/src/tools/heat/heat.csproj
@@ -3,13 +3,13 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net6.0-windows;net472</TargetFrameworks>
+    <TargetFrameworks>net8.0-windows;net472</TargetFrameworks>
     <OutputType>Exe</OutputType>
     <Description>Harvester</Description>
     <Title>WiX Toolset Harvester</Title>
     <DebugType>embedded</DebugType>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
-    <RuntimeIdentifiers Condition=" '$(RuntimeIdentifier)'=='' and '$(TargetFramework)'!='net6.0' ">win-x86;win-x64</RuntimeIdentifiers>
+    <RuntimeIdentifiers Condition=" '$(RuntimeIdentifier)'=='' and '$(TargetFramework)'!='net8.0' ">win-x86;win-x64</RuntimeIdentifiers>
     <AppConfig>app.config</AppConfig>
     <ApplicationManifest>heat.exe.manifest</ApplicationManifest>
     <RollForward>LatestMajor</RollForward>
diff --git a/src/tools/publish_t.proj b/src/tools/publish_t.proj
index cbe67768b..c939165fb 100644
--- a/src/tools/publish_t.proj
+++ b/src/tools/publish_t.proj
@@ -2,23 +2,23 @@
   <PropertyGroup>
     <StagePublishX86>$(BaseIntermediateOutputPath)$(Configuration)\net472\x86\</StagePublishX86>
     <StagePublishX64>$(BaseIntermediateOutputPath)$(Configuration)\net472\x64\</StagePublishX64>
-    <StagePublishDnc>$(BaseIntermediateOutputPath)$(Configuration)\net6.0\</StagePublishDnc>
+    <StagePublishDnc>$(BaseIntermediateOutputPath)$(Configuration)\net8.0\</StagePublishDnc>
 
     <PublishBuildFolder>$(PublishRoot)WixToolset.Heat\build\</PublishBuildFolder>
     <PublishHere>$(PublishRoot)WixToolset.Heat\tools\net472\</PublishHere>
     <PublishX86>$(PublishRoot)WixToolset.Heat\tools\net472\x86\</PublishX86>
     <PublishX64>$(PublishRoot)WixToolset.Heat\tools\net472\x64\</PublishX64>
-    <PublishDnc>$(PublishRoot)WixToolset.Heat\tools\net6.0\</PublishDnc>
+    <PublishDnc>$(PublishRoot)WixToolset.Heat\tools\net8.0\</PublishDnc>
   </PropertyGroup>
 
   <ItemGroup>
     <ProjectReference Include="WixToolset.HeatTasks\WixToolset.HeatTasks.csproj" Properties="TargetFramework=net472;PublishDir=$(StagePublishX86)WixToolset.HeatTasks" Targets="Publish" />
-    <ProjectReference Include="WixToolset.HeatTasks\WixToolset.HeatTasks.csproj" Properties="TargetFramework=net6.0;UseAppHost=false;PublishDir=$(StagePublishDnc)WixToolset.HeatTasks" Targets="Publish" />
+    <ProjectReference Include="WixToolset.HeatTasks\WixToolset.HeatTasks.csproj" Properties="TargetFramework=net8.0;UseAppHost=false;PublishDir=$(StagePublishDnc)WixToolset.HeatTasks" Targets="Publish" />
 
     <!-- heat.exe doesn't need to filter any files so publish it straight into its final location -->
     <ProjectReference Include="heat\heat.csproj" Properties="TargetFramework=net472;RuntimeIdentifier=win-x86;PublishDir=$(PublishX86)" Targets="Publish" />
     <ProjectReference Include="heat\heat.csproj" Properties="TargetFramework=net472;RuntimeIdentifier=win-x64;PublishDir=$(PublishX64)" Targets="Publish" />
-    <ProjectReference Include="heat\heat.csproj" Properties="TargetFramework=net6.0-windows;UseAppHost=false;PublishDir=$(PublishDnc)" Targets="Publish" />
+    <ProjectReference Include="heat\heat.csproj" Properties="TargetFramework=net8.0-windows;UseAppHost=false;PublishDir=$(PublishDnc)" Targets="Publish" />
   </ItemGroup>
 
   <Target Name="CopyToFinalPublishFolder" AfterTargets="Build">
diff --git a/src/wix/WixToolset.BuildTasks/WixToolset.BuildTasks.csproj b/src/wix/WixToolset.BuildTasks/WixToolset.BuildTasks.csproj
index 5e12449b5..135eafe51 100644
--- a/src/wix/WixToolset.BuildTasks/WixToolset.BuildTasks.csproj
+++ b/src/wix/WixToolset.BuildTasks/WixToolset.BuildTasks.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net472</TargetFrameworks>
+    <TargetFrameworks>net8.0;net472</TargetFrameworks>
     <Description></Description>
     <Title>WiX Toolset MSBuild Tasks</Title>
     <DebugType>embedded</DebugType>
diff --git a/src/wix/WixToolset.Sdk/WixToolset.Sdk.csproj b/src/wix/WixToolset.Sdk/WixToolset.Sdk.csproj
index 2f9b33fda..2879d3e4e 100644
--- a/src/wix/WixToolset.Sdk/WixToolset.Sdk.csproj
+++ b/src/wix/WixToolset.Sdk/WixToolset.Sdk.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <Description>WiX Toolset MSBuild integration</Description>
     <PackageReadmeFile>README.md</PackageReadmeFile>
     <PublishDir>$(PublishRoot)WixToolset.Sdk\</PublishDir>
diff --git a/src/wix/WixToolset.Sdk/tools/wix.targets b/src/wix/WixToolset.Sdk/tools/wix.targets
index 1e7d30c72..a9b39cc64 100644
--- a/src/wix/WixToolset.Sdk/tools/wix.targets
+++ b/src/wix/WixToolset.Sdk/tools/wix.targets
@@ -26,7 +26,7 @@
 
   <!-- These properties can be overridden to support non-default installations. -->
   <PropertyGroup>
-    <WixBinDir Condition=" '$(WixBinDir)' == '' and '$(MSBuildRuntimeType)' == 'Core' ">$(MSBuildThisFileDirectory)net6.0\</WixBinDir>
+    <WixBinDir Condition=" '$(WixBinDir)' == '' and '$(MSBuildRuntimeType)' == 'Core' ">$(MSBuildThisFileDirectory)net8.0\</WixBinDir>
     <WixBinDir Condition=" '$(WixBinDir)' == '' ">$(MSBuildThisFileDirectory)net472\</WixBinDir>
     <WixTasksPath Condition=" '$(WixTasksPath)' == '' ">$(WixBinDir)WixToolset.BuildTasks.dll</WixTasksPath>
   </PropertyGroup>
diff --git a/src/wix/pack-wix/pack-wix.csproj b/src/wix/pack-wix/pack-wix.csproj
index 0a8dc89ca..608b35b44 100644
--- a/src/wix/pack-wix/pack-wix.csproj
+++ b/src/wix/pack-wix/pack-wix.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IncludeBuildOutput>false</IncludeBuildOutput>
     <Title>The WiX Toolset command-line interface.</Title>
     <Description>The WiX Toolset lets developers create installers for Windows. This package contains the WiX Toolset command-line interface.</Description>
diff --git a/src/wix/pack-wix/pack-wix.nuspec b/src/wix/pack-wix/pack-wix.nuspec
index 8ecca0f20..43c169cfd 100644
--- a/src/wix/pack-wix/pack-wix.nuspec
+++ b/src/wix/pack-wix/pack-wix.nuspec
@@ -18,8 +18,8 @@
   </metadata>
 
   <files>
-    <file src="$projectFolder$\DotnetToolSettings.xml" target="tools\net6.0\any" />
+    <file src="$projectFolder$\DotnetToolSettings.xml" target="tools\net8.0\any" />
     <file src="$projectFolder$\..\..\internal\images\wix.png" />
-    <file src="**" target="tools\net6.0\any" exclude="**\*.xml;**\WixToolset.Core.Native.targets" />
+    <file src="**" target="tools\net8.0\any" exclude="**\*.xml;**\WixToolset.Core.Native.targets" />
   </files>
 </package>
diff --git a/src/wix/publish_t.proj b/src/wix/publish_t.proj
index 2ba70656d..a507ba310 100644
--- a/src/wix/publish_t.proj
+++ b/src/wix/publish_t.proj
@@ -2,27 +2,27 @@
   <PropertyGroup>
     <StagePublishX86>$(BaseIntermediateOutputPath)$(Configuration)\net472\x86\</StagePublishX86>
     <StagePublishX64>$(BaseIntermediateOutputPath)$(Configuration)\net472\x64\</StagePublishX64>
-    <StagePublishDnc>$(BaseIntermediateOutputPath)$(Configuration)\net6.0\</StagePublishDnc>
+    <StagePublishDnc>$(BaseIntermediateOutputPath)$(Configuration)\net8.0\</StagePublishDnc>
 
     <PublishBuildFolder>$(PublishRoot)WixToolset.Sdk\build\</PublishBuildFolder>
     <PublishHere>$(PublishRoot)WixToolset.Sdk\tools\net472\</PublishHere>
     <PublishX86>$(PublishRoot)WixToolset.Sdk\tools\net472\x86\</PublishX86>
     <PublishX64>$(PublishRoot)WixToolset.Sdk\tools\net472\x64\</PublishX64>
     <PublishARM64>$(PublishRoot)WixToolset.Sdk\tools\net472\arm64\</PublishARM64>
-    <PublishDnc>$(PublishRoot)WixToolset.Sdk\tools\net6.0\</PublishDnc>
+    <PublishDnc>$(PublishRoot)WixToolset.Sdk\tools\net8.0\</PublishDnc>
   </PropertyGroup>
 
   <ItemGroup>
     <ProjectReference Include="WixToolset.BuildTasks\WixToolset.BuildTasks.csproj" Properties="TargetFramework=net472;PublishDir=$(StagePublishX86)WixToolset.BuildTasks" Targets="Publish" />
-    <ProjectReference Include="WixToolset.BuildTasks\WixToolset.BuildTasks.csproj" Properties="TargetFramework=net6.0;UseAppHost=false;PublishDir=$(StagePublishDnc)WixToolset.BuildTasks" Targets="Publish" />
+    <ProjectReference Include="WixToolset.BuildTasks\WixToolset.BuildTasks.csproj" Properties="TargetFramework=net8.0;UseAppHost=false;PublishDir=$(StagePublishDnc)WixToolset.BuildTasks" Targets="Publish" />
 
-    <ProjectReference Include="wix\wix.csproj" Properties="TargetFramework=net6.0;PublishDir=$(BaseOutputPath)$(Configuration)\publish\wix\" Targets="Publish" />
+    <ProjectReference Include="wix\wix.csproj" Properties="TargetFramework=net8.0;PublishDir=$(BaseOutputPath)$(Configuration)\publish\wix\" Targets="Publish" />
 
     <!-- wix.exe doesn't need to filter any files so publish it straight into its final location -->
     <ProjectReference Include="wix\wix.csproj" Properties="TargetFramework=net472;RuntimeIdentifier=win-x86;PublishDir=$(PublishX86)" Targets="Publish" />
     <ProjectReference Include="wix\wix.csproj" Properties="TargetFramework=net472;RuntimeIdentifier=win-x64;PublishDir=$(PublishX64)" Targets="Publish" />
     <ProjectReference Include="wix\wix.csproj" Properties="TargetFramework=net472;RuntimeIdentifier=win-arm64;PublishDir=$(PublishARM64)" Targets="Publish" />
-    <ProjectReference Include="wix\wix.csproj" Properties="TargetFramework=net6.0;UseAppHost=false;PublishDir=$(PublishDnc)" Targets="Publish" />
+    <ProjectReference Include="wix\wix.csproj" Properties="TargetFramework=net8.0;UseAppHost=false;PublishDir=$(PublishDnc)" Targets="Publish" />
   </ItemGroup>
 
   <Target Name="CopyToFinalPublishFolder" AfterTargets="Build">
diff --git a/src/wix/test/CompileCoreTestExtensionWixlib/CompileCoreTestExtensionWixlib.csproj b/src/wix/test/CompileCoreTestExtensionWixlib/CompileCoreTestExtensionWixlib.csproj
index 2938be48d..ae4137965 100644
--- a/src/wix/test/CompileCoreTestExtensionWixlib/CompileCoreTestExtensionWixlib.csproj
+++ b/src/wix/test/CompileCoreTestExtensionWixlib/CompileCoreTestExtensionWixlib.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsPackable>false</IsPackable>
     <OutputType>Exe</OutputType>
     <SignOutput>false</SignOutput>
diff --git a/src/wix/test/Example.Extension/Example.Extension.csproj b/src/wix/test/Example.Extension/Example.Extension.csproj
index 105e11ac0..237910343 100644
--- a/src/wix/test/Example.Extension/Example.Extension.csproj
+++ b/src/wix/test/Example.Extension/Example.Extension.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsPackable>false</IsPackable>
     <DebugType>embedded</DebugType>
     <SignOutput>false</SignOutput>
diff --git a/src/wix/test/WixToolsetTest.Converters/WixToolsetTest.Converters.csproj b/src/wix/test/WixToolsetTest.Converters/WixToolsetTest.Converters.csproj
index 27bc24b62..09f311fb7 100644
--- a/src/wix/test/WixToolsetTest.Converters/WixToolsetTest.Converters.csproj
+++ b/src/wix/test/WixToolsetTest.Converters/WixToolsetTest.Converters.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
 
diff --git a/src/wix/test/WixToolsetTest.Core.Native/WixToolsetTest.Core.Native.csproj b/src/wix/test/WixToolsetTest.Core.Native/WixToolsetTest.Core.Native.csproj
index a1cead3bc..acf627885 100644
--- a/src/wix/test/WixToolsetTest.Core.Native/WixToolsetTest.Core.Native.csproj
+++ b/src/wix/test/WixToolsetTest.Core.Native/WixToolsetTest.Core.Native.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <RuntimeIdentifier>win-x64</RuntimeIdentifier>
     <SelfContained>false</SelfContained>
     <RequiresNativeWixAssets>true</RequiresNativeWixAssets>
diff --git a/src/wix/test/WixToolsetTest.Core/WixToolsetTest.Core.csproj b/src/wix/test/WixToolsetTest.Core/WixToolsetTest.Core.csproj
index 3907aae07..3329238f6 100644
--- a/src/wix/test/WixToolsetTest.Core/WixToolsetTest.Core.csproj
+++ b/src/wix/test/WixToolsetTest.Core/WixToolsetTest.Core.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
 
diff --git a/src/wix/test/WixToolsetTest.CoreIntegration/WixToolsetTest.CoreIntegration.csproj b/src/wix/test/WixToolsetTest.CoreIntegration/WixToolsetTest.CoreIntegration.csproj
index 71fa5f696..a3200dd0f 100644
--- a/src/wix/test/WixToolsetTest.CoreIntegration/WixToolsetTest.CoreIntegration.csproj
+++ b/src/wix/test/WixToolsetTest.CoreIntegration/WixToolsetTest.CoreIntegration.csproj
@@ -3,7 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <RequiresNativeWixAssets>true</RequiresNativeWixAssets>
     <IsWixTestProject>true</IsWixTestProject>
   </PropertyGroup>
diff --git a/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageReleaseAndDebug/Package.wxs b/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageReleaseAndDebug/Package.wxs
index b6da91bae..d07148ffa 100644
--- a/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageReleaseAndDebug/Package.wxs
+++ b/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageReleaseAndDebug/Package.wxs
@@ -14,10 +14,10 @@
                 <File Id="debug_net472_x64" Source="!(bindpath.TestExe.Debug.net472.win_x64)\e_sqlite3.dll" />
             </Component>
             <Component Subdirectory="debug_net6_x86">
-                <File Id="debug_net6_x86" Source="!(bindpath.TestExe.Debug.net6.0.win_x86)\e_sqlite3.dll" />
+                <File Id="debug_net6_x86" Source="!(bindpath.TestExe.Debug.net8.0.win_x86)\e_sqlite3.dll" />
             </Component>
             <Component Subdirectory="debug_net6_x64">
-                <File Id="debug_net6_x64" Source="!(bindpath.TestExe.Debug.net6.0.win_x64)\e_sqlite3.dll" />
+                <File Id="debug_net6_x64" Source="!(bindpath.TestExe.Debug.net8.0.win_x64)\e_sqlite3.dll" />
             </Component>
             <Component Subdirectory="release_net472_x86">
                 <File Id="release_net472_x86" Source="!(bindpath.TestExe.Release.net472.win_x86)\e_sqlite3.dll" />
@@ -26,10 +26,10 @@
                 <File Id="release_net472_x64" Source="!(bindpath.TestExe.Release.net472.win_x64)\e_sqlite3.dll" />
             </Component>
             <Component Subdirectory="release_net6_x86">
-                <File Id="release_net6_x86" Source="!(bindpath.TestExe.Release.net6.0.win_x86)\e_sqlite3.dll" />
+                <File Id="release_net6_x86" Source="!(bindpath.TestExe.Release.net8.0.win_x86)\e_sqlite3.dll" />
             </Component>
             <Component Subdirectory="release_net6_x64">
-                <File Id="release_net6_x64" Source="!(bindpath.TestExe.Release.net6.0.win_x64)\e_sqlite3.dll" />
+                <File Id="release_net6_x64" Source="!(bindpath.TestExe.Release.net8.0.win_x64)\e_sqlite3.dll" />
             </Component>
         </ComponentGroup>
     </Fragment>
diff --git a/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageReleaseAndDebug/PackageReleaseAndDebug.wixproj b/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageReleaseAndDebug/PackageReleaseAndDebug.wixproj
index 17e17d98f..cb02dd923 100644
--- a/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageReleaseAndDebug/PackageReleaseAndDebug.wixproj
+++ b/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageReleaseAndDebug/PackageReleaseAndDebug.wixproj
@@ -3,7 +3,7 @@
   <Import Project="$(WixMSBuildProps)" />
 
   <ItemGroup>
-    <ProjectReference Include="..\TestExe\TestExe.csproj" Publish="true" Configurations="Debug,Release" TargetFrameworks="net6.0,net472" RuntimeIdentifiers="win-x86,win-x64" />
+    <ProjectReference Include="..\TestExe\TestExe.csproj" Publish="true" Configurations="Debug,Release" TargetFrameworks="net8.0,net472" RuntimeIdentifiers="win-x86,win-x64" />
   </ItemGroup>
 
   <Import Project="$(WixTargetsPath)" />
diff --git a/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageUsingExplicitTfmAndRids/Package.wxs b/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageUsingExplicitTfmAndRids/Package.wxs
index 838461da7..81363d54e 100644
--- a/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageUsingExplicitTfmAndRids/Package.wxs
+++ b/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageUsingExplicitTfmAndRids/Package.wxs
@@ -11,10 +11,10 @@
                 <File Id="net472_x64" Source="!(bindpath.TestExe.net472.win_x64)\e_sqlite3.dll" />
             </Component>
             <Component Subdirectory="net6_x86">
-                <File Id="net6_x86" Source="!(bindpath.TestExe.net6.0.win_x86)\e_sqlite3.dll" />
+                <File Id="net6_x86" Source="!(bindpath.TestExe.net8.0.win_x86)\e_sqlite3.dll" />
             </Component>
             <Component Subdirectory="net6_x64">
-                <File Id="net6_x64" Source="!(bindpath.TestExe.net6.0.win_x64)\e_sqlite3.dll" />
+                <File Id="net6_x64" Source="!(bindpath.TestExe.net8.0.win_x64)\e_sqlite3.dll" />
             </Component>
 
             <!-- This is explicitly not built and causes the build to fail -->
diff --git a/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageUsingExplicitTfmAndRids/PackageUsingExplicitTfmAndRids.wixproj b/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageUsingExplicitTfmAndRids/PackageUsingExplicitTfmAndRids.wixproj
index 420024289..e9ad84453 100644
--- a/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageUsingExplicitTfmAndRids/PackageUsingExplicitTfmAndRids.wixproj
+++ b/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageUsingExplicitTfmAndRids/PackageUsingExplicitTfmAndRids.wixproj
@@ -3,7 +3,7 @@
   <Import Project="$(WixMSBuildProps)" />
 
   <ItemGroup>
-    <ProjectReference Include="..\TestExe\TestExe.csproj" Publish="true" TargetFrameworks="net6.0,net472|win-x64" RuntimeIdentifiers="win-x86,win-x64" />
+    <ProjectReference Include="..\TestExe\TestExe.csproj" Publish="true" TargetFrameworks="net8.0,net472|win-x64" RuntimeIdentifiers="win-x86,win-x64" />
   </ItemGroup>
 
   <Import Project="$(WixTargetsPath)" />
diff --git a/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageUsingRids/Package.wxs b/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageUsingRids/Package.wxs
index 2fe7a2898..a5ba3d239 100644
--- a/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageUsingRids/Package.wxs
+++ b/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageUsingRids/Package.wxs
@@ -14,10 +14,10 @@
                 <File Id="net472_x64" Source="!(bindpath.TestExe.net472.win_x64)\e_sqlite3.dll" />
             </Component>
             <Component Subdirectory="net6_x86">
-                <File Id="net6_x86" Source="!(bindpath.TestExe.net6.0.win_x86)\e_sqlite3.dll" />
+                <File Id="net6_x86" Source="!(bindpath.TestExe.net8.0.win_x86)\e_sqlite3.dll" />
             </Component>
             <Component Subdirectory="net6_x64">
-                <File Id="net6_x64" Source="!(bindpath.TestExe.net6.0.win_x64)\e_sqlite3.dll" />
+                <File Id="net6_x64" Source="!(bindpath.TestExe.net8.0.win_x64)\e_sqlite3.dll" />
             </Component>
         </ComponentGroup>
     </Fragment>
diff --git a/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageUsingRids/PackageUsingRids.wixproj b/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageUsingRids/PackageUsingRids.wixproj
index e7d834d62..243b19147 100644
--- a/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageUsingRids/PackageUsingRids.wixproj
+++ b/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/PackageUsingRids/PackageUsingRids.wixproj
@@ -3,7 +3,7 @@
   <Import Project="$(WixMSBuildProps)" />
 
   <ItemGroup>
-    <ProjectReference Include="..\TestExe\TestExe.csproj" Publish="true" TargetFrameworks="net6.0,net472" RuntimeIdentifiers="win-x86,win-x64" />
+    <ProjectReference Include="..\TestExe\TestExe.csproj" Publish="true" TargetFrameworks="net8.0,net472" RuntimeIdentifiers="win-x86,win-x64" />
   </ItemGroup>
 
   <Import Project="$(WixTargetsPath)" />
diff --git a/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/TestExe/TestExe.csproj b/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/TestExe/TestExe.csproj
index a7fe2eefa..82dcd9dd4 100644
--- a/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/TestExe/TestExe.csproj
+++ b/src/wix/test/WixToolsetTest.Sdk/TestData/MultiTargetingWixlib/TestExe/TestExe.csproj
@@ -2,7 +2,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>net6.0;net472</TargetFrameworks>
+    <TargetFrameworks>net8.0;net472</TargetFrameworks>
     <RuntimeIdentifiers>win-x86;win-x64</RuntimeIdentifiers>
     <SelfContained>false</SelfContained>
   </PropertyGroup>
diff --git a/src/wix/wix.cmd b/src/wix/wix.cmd
index 2758d108b..c347b4f75 100644
--- a/src/wix/wix.cmd
+++ b/src/wix/wix.cmd
@@ -38,11 +38,11 @@ msbuild -t:Publish -p:Configuration=%_C% -tl -nologo -warnaserror WixToolset.Sdk
 
 :: Test
 dotnet test ^
- %_B%\test\WixToolsetTest.Converters\net6.0\WixToolsetTest.Converters.dll ^
+ %_B%\test\WixToolsetTest.Converters\net8.0\WixToolsetTest.Converters.dll ^
  %_B%\test\WixToolsetTest.Converters.Symbolizer\net472\WixToolsetTest.Converters.Symbolizer.dll ^
- %_B%\test\WixToolsetTest.Core\net6.0\WixToolsetTest.Core.dll ^
- %_B%\test\WixToolsetTest.Core.Native\net6.0\win-x64\WixToolsetTest.Core.Native.dll ^
- %_B%\test\WixToolsetTest.CoreIntegration\net6.0\WixToolsetTest.CoreIntegration.dll ^
+ %_B%\test\WixToolsetTest.Core\net8.0\WixToolsetTest.Core.dll ^
+ %_B%\test\WixToolsetTest.Core.Native\net8.0\win-x64\WixToolsetTest.Core.Native.dll ^
+ %_B%\test\WixToolsetTest.CoreIntegration\net8.0\WixToolsetTest.CoreIntegration.dll ^
  %_B%\test\WixToolsetTest.BuildTasks\net472\WixToolsetTest.BuildTasks.dll ^
  %_B%\test\WixToolsetTest.Sdk\net472\WixToolsetTest.Sdk.dll ^
  --nologo -l "trx;LogFileName=%_L%\TestResults\wix.trx" || exit /b
diff --git a/src/wix/wix/wix.csproj b/src/wix/wix/wix.csproj
index 241311171..11099b1d3 100644
--- a/src/wix/wix/wix.csproj
+++ b/src/wix/wix/wix.csproj
@@ -3,13 +3,13 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net472</TargetFrameworks>
+    <TargetFrameworks>net8.0;net472</TargetFrameworks>
     <OutputType>Exe</OutputType>
     <Description>WiX Toolset creates installation packages.</Description>
     <DebugType>embedded</DebugType>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
     <PackAsTool>true</PackAsTool>
-    <RuntimeIdentifiers Condition=" '$(RuntimeIdentifier)'=='' and '$(TargetFramework)'!='net6.0' ">win-x86;win-x64;win-arm64</RuntimeIdentifiers>
+    <RuntimeIdentifiers Condition=" '$(RuntimeIdentifier)'=='' and '$(TargetFramework)'!='net8.0' ">win-x86;win-x64;win-arm64</RuntimeIdentifiers>
     <AppConfig>app.config</AppConfig>
     <ApplicationManifest>wix.exe.manifest</ApplicationManifest>
     <RollForward>Major</RollForward>