diff --git a/csharp/unit-testing/MSTest.Project/MSTest.Project.csproj b/csharp/unit-testing/MSTest.Project/MSTest.Project.csproj
index db913fc733b..9ea67a5a098 100644
--- a/csharp/unit-testing/MSTest.Project/MSTest.Project.csproj
+++ b/csharp/unit-testing/MSTest.Project/MSTest.Project.csproj
@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.4.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.4.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.4.3" />
     <PackageReference Include="coverlet.collector" Version="6.0.2">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>