diff --git a/JsonHelper.Net.Test/JsonHelper.Net.Test.csproj b/JsonHelper.Net.Test/JsonHelper.Net.Test.csproj
index 70c7b38..2796623 100644
--- a/JsonHelper.Net.Test/JsonHelper.Net.Test.csproj
+++ b/JsonHelper.Net.Test/JsonHelper.Net.Test.csproj
@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
-    <PackageReference Include="NUnit" Version="3.13.3" />
+    <PackageReference Include="NUnit" Version="4.3.2" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
     <PackageReference Include="NUnit.Analyzers" Version="3.6.1" />
     <PackageReference Include="coverlet.collector" Version="6.0.3" />