diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 3c3a20a5654..8e338c40b8d 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -48,9 +48,9 @@
       <Uri>https://github.com/dotnet/arcade-services</Uri>
       <Sha>25745248c19ebbca84d70591a0adb5fba8957085</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.XHarness.CLI" Version="8.0.0-prerelease.25427.2">
+    <Dependency Name="Microsoft.DotNet.XHarness.CLI" Version="8.0.0-prerelease.25504.1">
       <Uri>https://github.com/dotnet/xharness</Uri>
-      <Sha>fc7f1ca0ff5b949ba7b7500e5aa9a01e4a43d894</Sha>
+      <Sha>6b046b98371515a0e952561c8ea8a882a6f5c105</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="4.5.2-3.23266.1">
       <Uri>https://github.com/dotnet/roslyn</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 70f37189b9e..8f7fdfda963 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -80,7 +80,7 @@
     <!-- vstest -->
     <MicrosoftNetTestSdkVersion>17.5.0</MicrosoftNetTestSdkVersion>
     <!-- xharness -->
-    <MicrosoftDotNetXHarnessCLIVersion>8.0.0-prerelease.25427.2</MicrosoftDotNetXHarnessCLIVersion>
+    <MicrosoftDotNetXHarnessCLIVersion>8.0.0-prerelease.25504.1</MicrosoftDotNetXHarnessCLIVersion>
     <!-- xliff-tasks -->
     <MicrosoftDotNetXliffTasksVersion>1.0.0-beta.23475.1</MicrosoftDotNetXliffTasksVersion>
     <!-- external -->