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 5f666609ba2..63194f9bf51 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
@@ -8,7 +8,7 @@
 
   <!--<snippetPackages>-->
   <ItemGroup>
-    <PackageReference Include="nunit" Version="3.14.0" />
+    <PackageReference Include="nunit" Version="4.0.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
   </ItemGroup>