diff --git a/eng/Version.Details.props b/eng/Version.Details.props
index 6a1e17455120..f16cb5ab8057 100644
--- a/eng/Version.Details.props
+++ b/eng/Version.Details.props
@@ -140,8 +140,8 @@ 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.25525.1</MicrosoftTestingPlatformPackageVersion>
-    <MSTestPackageVersion>4.1.0-preview.25525.1</MSTestPackageVersion>
+    <MicrosoftTestingPlatformPackageVersion>2.1.0-preview.25529.4</MicrosoftTestingPlatformPackageVersion>
+    <MSTestPackageVersion>4.1.0-preview.25529.4</MSTestPackageVersion>
   </PropertyGroup>
   <!--Property group for alternate package version names-->
   <PropertyGroup>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 1babdceb8f6a..85efc2432e67 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -553,13 +553,13 @@
       <Uri>https://github.com/dotnet/dotnet</Uri>
       <Sha>be28ec777bf12db631725399c442448d52093087</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Testing.Platform" Version="2.1.0-preview.25525.1">
+    <Dependency Name="Microsoft.Testing.Platform" Version="2.1.0-preview.25529.4">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>82daaae2be64c7d3058a15656781bbf790e4e628</Sha>
+      <Sha>e96f161396747bd209333e1d2f54fc8164a79905</Sha>
     </Dependency>
-    <Dependency Name="MSTest" Version="4.1.0-preview.25525.1">
+    <Dependency Name="MSTest" Version="4.1.0-preview.25529.4">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>82daaae2be64c7d3058a15656781bbf790e4e628</Sha>
+      <Sha>e96f161396747bd209333e1d2f54fc8164a79905</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Extensions.Configuration.Ini" Version="10.0.0-rc.1.25515.110">
       <Uri>https://github.com/dotnet/dotnet</Uri>