diff --git a/tests/Directory.Build.props b/tests/Directory.Build.props
index 0f7f048..dfede6c 100644
--- a/tests/Directory.Build.props
+++ b/tests/Directory.Build.props
@@ -13,7 +13,7 @@
     <Using Include="NUnit.Framework" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="NUnit" Version="3.14.0" />
+    <PackageReference Include="NUnit" Version="4.6.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" PrivateAssets="all" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="NSubstitute" Version="5.1.0" />