diff --git a/core/getting-started/unit-testing-vb-nunit/PrimeService.Tests/PrimeService.Tests.vbproj b/core/getting-started/unit-testing-vb-nunit/PrimeService.Tests/PrimeService.Tests.vbproj
index 8f60efe13d0..c8b94e61675 100644
--- a/core/getting-started/unit-testing-vb-nunit/PrimeService.Tests/PrimeService.Tests.vbproj
+++ b/core/getting-started/unit-testing-vb-nunit/PrimeService.Tests/PrimeService.Tests.vbproj
@@ -9,7 +9,7 @@
   <!--<snippetPackages>-->
   <ItemGroup>
     <PackageReference Include="nunit" Version="3.13.3" />
-    <PackageReference Include="NUnit3TestAdapter" Version="4.2.1" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.3.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.1" />
   </ItemGroup>
   <!--</snippetPackages>-->