diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 17ce1b2735..a94ebd85bb 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -17,13 +17,13 @@
       <Uri>https://dev.azure.com/devdiv/DevDiv/_git/vs-code-coverage</Uri>
       <Sha>81d894558a8108c3b3b149410c07cbe665f27bdf</Sha>
     </Dependency>
-    <Dependency Name="MSTest" Version="4.2.0-preview.26154.1">
+    <Dependency Name="MSTest" Version="4.2.0-preview.26155.3">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>6aadada5d6e7c30e7db8cba4339455f74936731b</Sha>
+      <Sha>4979a4327c8d74f9b53476dcdaeffbd13daa0c49</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Testing.Platform" Version="2.2.0-preview.26154.1">
+    <Dependency Name="Microsoft.Testing.Platform" Version="2.2.0-preview.26155.3">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>6aadada5d6e7c30e7db8cba4339455f74936731b</Sha>
+      <Sha>4979a4327c8d74f9b53476dcdaeffbd13daa0c49</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index 94ee9f7ea8..fa97875004 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -10,7 +10,7 @@
     <MicrosoftDotNetBuildTasksTemplatingPackageVersion>11.0.0-beta.26153.4</MicrosoftDotNetBuildTasksTemplatingPackageVersion>
     <MicrosoftTestingExtensionsCodeCoverageVersion>18.6.0-preview.26154.5</MicrosoftTestingExtensionsCodeCoverageVersion>
     <!-- empty line to avoid merge conflicts for darc PRs to update CC and MSTest+MTP -->
-    <MSTestVersion>4.2.0-preview.26154.1</MSTestVersion>
-    <MicrosoftTestingPlatformVersion>2.2.0-preview.26154.1</MicrosoftTestingPlatformVersion>
+    <MSTestVersion>4.2.0-preview.26155.3</MSTestVersion>
+    <MicrosoftTestingPlatformVersion>2.2.0-preview.26155.3</MicrosoftTestingPlatformVersion>
   </PropertyGroup>
 </Project>