diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 238249804e1d..848974324bab 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -492,8 +492,8 @@
     </Dependency>
     <!-- Intermediate is necessary for source build. -->
     <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="10.0.621401">
-      <Uri>https://github.com/dotnet/source-build-externals</Uri>
-      <Sha>d64d8da45618323a39fb77860d1140bdbcd506ad</Sha>
+      <Uri>https://github.com/MichaelSimons/source-build-externals</Uri>
+      <Sha>a014726dff491d07cbb72a89668e7064f8afc45d</Sha>
       <SourceBuild RepoName="source-build-externals" ManagedOnly="true" />
     </Dependency>
     <!-- Intermediate is necessary for source build. -->