diff --git a/build/TestCommon.props b/build/TestCommon.props
index 16897d0075..8a6c5d675f 100644
--- a/build/TestCommon.props
+++ b/build/TestCommon.props
@@ -18,9 +18,9 @@
     <!-- Pinned: Be VERY careful about updating https://github.com/moq/moq/issues/1372 -->
     <PackageReference Include="Moq" Version="4.20.72" />
     <!-- Usage: MSTest execution -->
-    <PackageReference Include="MSTest.TestAdapter" Version="3.10.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.9.3" />
     <!-- Usage: MSTest asserts etc... -->
-    <PackageReference Include="MSTest.TestFramework" Version="3.10.0" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.9.3" />
   </ItemGroup>
 
 </Project>