diff --git a/src/Xdg.Testing/Xdg.Testing.csproj b/src/Xdg.Testing/Xdg.Testing.csproj
index 65c3b37..e8f1cc4 100644
--- a/src/Xdg.Testing/Xdg.Testing.csproj
+++ b/src/Xdg.Testing/Xdg.Testing.csproj
@@ -13,7 +13,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
-		<PackageReference Include="MSTest.TestAdapter" Version="3.6.3" />
+		<PackageReference Include="MSTest.TestAdapter" Version="3.6.4" />
 		<PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
 		<PackageReference Include="coverlet.collector" Version="6.0.2" />
 	</ItemGroup>