diff --git a/tests/NHapi.NUnit.SourceGeneration/NHapi.NUnit.SourceGeneration.csproj b/tests/NHapi.NUnit.SourceGeneration/NHapi.NUnit.SourceGeneration.csproj
index 107ae67eb..322ace8da 100644
--- a/tests/NHapi.NUnit.SourceGeneration/NHapi.NUnit.SourceGeneration.csproj
+++ b/tests/NHapi.NUnit.SourceGeneration/NHapi.NUnit.SourceGeneration.csproj
@@ -16,7 +16,7 @@
 
   <ItemGroup>
     <PackageReference Include="NUnit" Version="4.3.2" />
-    <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="5.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="coverlet.collector" Version="6.0.4">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>