diff --git a/tests/AnovSyntax.Tests/AnovSyntax.Tests.csproj b/tests/AnovSyntax.Tests/AnovSyntax.Tests.csproj
index d485bfd..c0063ed 100644
--- a/tests/AnovSyntax.Tests/AnovSyntax.Tests.csproj
+++ b/tests/AnovSyntax.Tests/AnovSyntax.Tests.csproj
@@ -12,7 +12,7 @@
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.4" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="4.0.2" />
+    <PackageReference Include="MSTest.TestAdapter" Version="4.2.1" />
     <PackageReference Include="MSTest.TestFramework" Version="4.2.1" />
   </ItemGroup>