diff --git a/AlexaLambdaHandler.Tests/AlexaLambdaHandler.Tests.csproj b/AlexaLambdaHandler.Tests/AlexaLambdaHandler.Tests.csproj
index f892333..685588a 100644
--- a/AlexaLambdaHandler.Tests/AlexaLambdaHandler.Tests.csproj
+++ b/AlexaLambdaHandler.Tests/AlexaLambdaHandler.Tests.csproj
@@ -12,7 +12,7 @@
     <PackageReference Include="Alexa.NET" Version="1.13.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
     <PackageReference Include="Moq" Version="4.13.1" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.1.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.2.5" />
     <PackageReference Include="MSTest.TestFramework" Version="2.1.0" />
   </ItemGroup>