diff --git a/tests/NHapi.NUnit.SourceGeneration/NHapi.NUnit.SourceGeneration.csproj b/tests/NHapi.NUnit.SourceGeneration/NHapi.NUnit.SourceGeneration.csproj
index 651034fc2..d6fb7ad59 100644
--- a/tests/NHapi.NUnit.SourceGeneration/NHapi.NUnit.SourceGeneration.csproj
+++ b/tests/NHapi.NUnit.SourceGeneration/NHapi.NUnit.SourceGeneration.csproj
@@ -15,7 +15,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="NUnit" Version="4.3.0" />
+    <PackageReference Include="NUnit" Version="4.3.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="coverlet.collector" Version="6.0.2">