diff --git a/eng/Version.Details.props b/eng/Version.Details.props
index 46323320a95b..c36bbbf32001 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.25575.3</MicrosoftTestingPlatformPackageVersion>
-    <MSTestPackageVersion>4.1.0-preview.25575.3</MSTestPackageVersion>
+    <MicrosoftTestingPlatformPackageVersion>2.1.0-preview.25578.12</MicrosoftTestingPlatformPackageVersion>
+    <MSTestPackageVersion>4.1.0-preview.25578.12</MSTestPackageVersion>
   </PropertyGroup>
   <!--Property group for alternate package version names-->
   <PropertyGroup>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 969ca293bc79..a092fa4498a3 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -561,13 +561,13 @@
       <Uri>https://github.com/dotnet/dotnet</Uri>
       <Sha>9edc0b542303b8bd0ef56f47d3740b75b8678304</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Testing.Platform" Version="2.1.0-preview.25575.3">
+    <Dependency Name="Microsoft.Testing.Platform" Version="2.1.0-preview.25578.12">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>838c4cd634276a89dbfc88f5371d9000252b9299</Sha>
+      <Sha>d1b07762ab2919dd396241597377eea853256403</Sha>
     </Dependency>
-    <Dependency Name="MSTest" Version="4.1.0-preview.25575.3">
+    <Dependency Name="MSTest" Version="4.1.0-preview.25578.12">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>838c4cd634276a89dbfc88f5371d9000252b9299</Sha>
+      <Sha>d1b07762ab2919dd396241597377eea853256403</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Extensions.Configuration.Ini" Version="10.0.2">
       <Uri>https://github.com/dotnet/dotnet</Uri>