diff --git a/core/getting-started/unit-testing-using-mstest/PrimeService.Tests/PrimeService.Tests.csproj b/core/getting-started/unit-testing-using-mstest/PrimeService.Tests/PrimeService.Tests.csproj
index d2cacd1486c..1810d807c3e 100644
--- a/core/getting-started/unit-testing-using-mstest/PrimeService.Tests/PrimeService.Tests.csproj
+++ b/core/getting-started/unit-testing-using-mstest/PrimeService.Tests/PrimeService.Tests.csproj
@@ -6,7 +6,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
-    <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>