diff --git a/NuGet.config b/NuGet.config
index 51fb26dcfa3..bdc1863f3ec 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -23,6 +23,14 @@
     <!--  End: Package sources from dotnet-aspnetcore -->
     <!--  Begin: Package sources from dotnet-emsdk -->
     <add key="darc-pub-dotnet-emsdk-78f6f07" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-78f6f07d/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-emsdk-78f6f07-8" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-78f6f07d-8/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-emsdk-78f6f07-7" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-78f6f07d-7/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-emsdk-78f6f07-6" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-78f6f07d-6/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-emsdk-78f6f07-5" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-78f6f07d-5/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-emsdk-78f6f07-4" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-78f6f07d-4/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-emsdk-78f6f07-3" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-78f6f07d-3/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-emsdk-78f6f07-2" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-78f6f07d-2/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-emsdk-78f6f07-1" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-78f6f07d-1/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-emsdk -->
     <!--  Begin: Package sources from dotnet-maui -->
     <!--  End: Package sources from dotnet-maui -->
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 5cea14d9708..91b17c14f2e 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -39,9 +39,9 @@
       <Uri>https://github.com/dotnet/arcade</Uri>
       <Sha>490307dc9bb09caf016b2fa96005ac8aaa89c4e7</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.XHarness.CLI" Version="10.0.0-prerelease.25207.6">
+    <Dependency Name="Microsoft.DotNet.XHarness.CLI" Version="10.0.0-prerelease.25255.1">
       <Uri>https://github.com/dotnet/xharness</Uri>
-      <Sha>16b68b69931491747dcfc562999cba4caa6dc45b</Sha>
+      <Sha>e85bb14e85357ab678c2bcb0b6f2bac634fdd49b</Sha>
     </Dependency>
     <!--
       Maui Rollback Version mappings, default means generated from sdk version. Allows for manual override of version similar to https://github.com/dotnet/maui/blob/df8cfcf635a590955a8cc3d6cf7ae6280449dd3f/eng/Versions.props#L138-L146, where the logic comes from:
diff --git a/eng/Versions.props b/eng/Versions.props
index e831c1bfe2d..84ab6313aed 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -13,7 +13,7 @@
     <MicrosoftExtensionsLoggingPackageVersion>9.0.5</MicrosoftExtensionsLoggingPackageVersion>
     <BenchmarkDotNetVersion>0.14.1-nightly.20250107.205</BenchmarkDotNetVersion>
     <MicrosoftNETRuntimeEmscripten3156Nodewinx64Version>9.0.5</MicrosoftNETRuntimeEmscripten3156Nodewinx64Version>
-    <MicrosoftDotNetXHarnessCLIVersion>10.0.0-prerelease.25207.6</MicrosoftDotNetXHarnessCLIVersion>
+    <MicrosoftDotNetXHarnessCLIVersion>10.0.0-prerelease.25255.1</MicrosoftDotNetXHarnessCLIVersion>
   </PropertyGroup>
   <!--Package names-->
   <PropertyGroup>