diff --git a/eng/Version.Details.props b/eng/Version.Details.props
index 3817b0aa3c25..f264bc5fec7c 100644
--- a/eng/Version.Details.props
+++ b/eng/Version.Details.props
@@ -142,8 +142,8 @@ This file should be imported by eng/Versions.props
     <!-- dotnet/core-setup dependencies -->
     <NETStandardLibraryRefPackageVersion>2.1.0</NETStandardLibraryRefPackageVersion>
     <!-- microsoft/testfx dependencies -->
-    <MicrosoftTestingPlatformPackageVersion>2.1.0-preview.26103.9</MicrosoftTestingPlatformPackageVersion>
-    <MSTestPackageVersion>4.1.0-preview.26103.9</MSTestPackageVersion>
+    <MicrosoftTestingPlatformPackageVersion>2.1.0-preview.26104.5</MicrosoftTestingPlatformPackageVersion>
+    <MSTestPackageVersion>4.1.0-preview.26104.5</MSTestPackageVersion>
   </PropertyGroup>
   <!--Property group for alternate package version names-->
   <PropertyGroup>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index e8a0c180ada5..6c9b6d14c317 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -561,13 +561,13 @@
       <Uri>https://github.com/dotnet/dotnet</Uri>
       <Sha>337271a70fe3313419232a25ca26f815aece50c1</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Testing.Platform" Version="2.1.0-preview.26103.9">
+    <Dependency Name="Microsoft.Testing.Platform" Version="2.1.0-preview.26104.5">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>12bdecdbba87490b64a88a233429805f8704ecbb</Sha>
+      <Sha>a2c4911469efabcce5f79d6814ebc6e6f36b7d76</Sha>
     </Dependency>
-    <Dependency Name="MSTest" Version="4.1.0-preview.26103.9">
+    <Dependency Name="MSTest" Version="4.1.0-preview.26104.5">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>12bdecdbba87490b64a88a233429805f8704ecbb</Sha>
+      <Sha>a2c4911469efabcce5f79d6814ebc6e6f36b7d76</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Extensions.Configuration.Ini" Version="10.0.4">
       <Uri>https://github.com/dotnet/dotnet</Uri>