diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 29ae949f483..eba1a0b6d6f 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -6,9 +6,9 @@
       <Sha>839cdfb0ecca5e0be3dbccd926e7651ef50fdf10</Sha>
     </Dependency>
     <!-- Intermediate is necessary for source build. -->
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="10.0.621001">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="10.0.621801">
       <Uri>https://github.com/dotnet/source-build-reference-packages</Uri>
-      <Sha>1df7df81ac783e63aa7fbccb0232ad20fb128b15</Sha>
+      <Sha>2228b4511efb4aca61317883c615208cd13b66a7</Sha>
       <SourceBuild RepoName="source-build-reference-packages" ManagedOnly="true" />
     </Dependency>
     <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="5.0.0-1.25209.6">
diff --git a/eng/Versions.props b/eng/Versions.props
index 423cfc1d275..462ed07a07f 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -50,7 +50,7 @@
     <MicrosoftCodeAnalysisAnalyzersPackageVersion>3.12.0-beta1.25209.6</MicrosoftCodeAnalysisAnalyzersPackageVersion>
     <MicrosoftNETCoreBrowserDebugHostTransportPackageVersion>6.0.2-servicing.22064.6</MicrosoftNETCoreBrowserDebugHostTransportPackageVersion>
     <MicrosoftNETCorePlatformsPackageVersion>6.0.1</MicrosoftNETCorePlatformsPackageVersion>
-    <MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesPackageVersion>10.0.621001</MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesPackageVersion>
+    <MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesPackageVersion>10.0.621801</MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesPackageVersion>
     <MicrosoftSourceBuildIntermediatearcadePackageVersion>9.0.0-beta.25204.5</MicrosoftSourceBuildIntermediatearcadePackageVersion>
     <MicrosoftNetCompilersToolsetPackageVersion>5.0.0-1.25209.6</MicrosoftNetCompilersToolsetPackageVersion>
     <MicrosoftCodeAnalysisExternalAccessFSharpPackageVersion>5.0.0-1.25209.6</MicrosoftCodeAnalysisExternalAccessFSharpPackageVersion>