diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 6b9d3b573ec0..3a115c74372e 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -451,9 +451,9 @@
       <SourceBuild RepoName="command-line-api" ManagedOnly="true" />
     </Dependency>
     <!-- Intermediate is necessary for source build. -->
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="10.0.0-alpha.1.24516.1">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="10.0.0-alpha.1.24521.1">
       <Uri>https://github.com/dotnet/source-build-externals</Uri>
-      <Sha>d22c9e818d40d0b36874f8db31550b1ea7f66c72</Sha>
+      <Sha>152bd2a5bc0d0f19033b42f48a026339d50101ad</Sha>
       <SourceBuild RepoName="source-build-externals" ManagedOnly="true" />
     </Dependency>
     <!-- Intermediate is necessary for source build. -->