diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 90679616a..85a16458d 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -171,9 +171,9 @@
       <Uri>https://github.com/dotnet/arcade</Uri>
       <Sha>474307e526160c813c9fd58060eb8356ccca6099</Sha>
     </Dependency>
-    <Dependency Name="Private.SourceBuild.ReferencePackages" Version="1.0.0-beta.20217.1">
+    <Dependency Name="Private.SourceBuild.ReferencePackages" Version="1.0.0-beta.21457.1">
       <Uri>https://github.com/dotnet/source-build-reference-packages</Uri>
-      <Sha>639aeb4d76c8b1a6226bf7c4edb34fbdae30e6e1</Sha>
+      <Sha>203ced7252f5104d13b83bf446a6c6dea827b673</Sha>
     </Dependency>
     <Dependency Name="Microsoft.SourceLink.GitHub" Version="1.1.0-beta-21423-02" CoherentParentDependency="Microsoft.DotNet.Arcade.Sdk">
       <Uri>https://github.com/dotnet/sourcelink</Uri>
diff --git a/src/SourceBuild/Arcade/README.md b/src/SourceBuild/Arcade/README.md
index 914a87b3f..bb0a6b273 100644
--- a/src/SourceBuild/Arcade/README.md
+++ b/src/SourceBuild/Arcade/README.md
@@ -1 +1 @@
-The source and targets in the `src/SourceBuild/Arcade` directory are intended to move into the Arcade repo at some point.  They are added here for ease of development while developing the tarball generation process.  See https://github.com/dotnet/source-build/issues/2295
\ No newline at end of file
+The source and targets in the `src/SourceBuild/Arcade` directory are intended to move into the Arcade repo at some point.  They are added here for ease of development while developing the tarball generation process.   See https://github.com/dotnet/source-build/issues/2295