diff --git a/samples/snippets/core/testing/unit-testing-using-mstest/csharp/PrimeService.Tests/PrimeService.Tests.csproj b/samples/snippets/core/testing/unit-testing-using-mstest/csharp/PrimeService.Tests/PrimeService.Tests.csproj
index f180cf48bed0a..89e3249d6bf68 100644
--- a/samples/snippets/core/testing/unit-testing-using-mstest/csharp/PrimeService.Tests/PrimeService.Tests.csproj
+++ b/samples/snippets/core/testing/unit-testing-using-mstest/csharp/PrimeService.Tests/PrimeService.Tests.csproj
@@ -6,7 +6,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.3" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.1.2" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.2.1" />
     <PackageReference Include="MSTest.TestFramework" Version="2.1.2" />
   </ItemGroup>