diff --git a/eng/Version.Details.props b/eng/Version.Details.props
index b7885faf366a..c92918c945d9 100644
--- a/eng/Version.Details.props
+++ b/eng/Version.Details.props
@@ -143,8 +143,8 @@ 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.26071.3</MicrosoftTestingPlatformPackageVersion>
-    <MSTestPackageVersion>4.1.0-preview.26071.3</MSTestPackageVersion>
+    <MicrosoftTestingPlatformPackageVersion>2.1.0-preview.26077.6</MicrosoftTestingPlatformPackageVersion>
+    <MSTestPackageVersion>4.1.0-preview.26077.6</MSTestPackageVersion>
   </PropertyGroup>
   <!--Property group for alternate package version names-->
   <PropertyGroup>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 0d842123fbaa..0b09157bb04b 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -565,13 +565,13 @@
       <Uri>https://github.com/dotnet/dotnet</Uri>
       <Sha>ec846aee7f12180381c444dfeeba0c5022e1d110</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Testing.Platform" Version="2.1.0-preview.26071.3">
+    <Dependency Name="Microsoft.Testing.Platform" Version="2.1.0-preview.26077.6">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>6adab94760f7b10b6aaca1b4fd04543d9e539242</Sha>
+      <Sha>ccdb0ee122177251ae18655264e94312d63c4d45</Sha>
     </Dependency>
-    <Dependency Name="MSTest" Version="4.1.0-preview.26071.3">
+    <Dependency Name="MSTest" Version="4.1.0-preview.26077.6">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>6adab94760f7b10b6aaca1b4fd04543d9e539242</Sha>
+      <Sha>ccdb0ee122177251ae18655264e94312d63c4d45</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Extensions.Configuration.Ini" Version="11.0.0-preview.1.26069.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>