diff --git a/SW.PrimitiveTypes.UnitTests/SW.PrimitiveTypes.UnitTests.csproj b/SW.PrimitiveTypes.UnitTests/SW.PrimitiveTypes.UnitTests.csproj
index 0871120..9684ef0 100644
--- a/SW.PrimitiveTypes.UnitTests/SW.PrimitiveTypes.UnitTests.csproj
+++ b/SW.PrimitiveTypes.UnitTests/SW.PrimitiveTypes.UnitTests.csproj
@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.0.2" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.0.2" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.5.1" />
     <PackageReference Include="coverlet.collector" Version="3.2.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>