diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 4e4d70c2f1c2..75d3b82b9d9f 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -189,9 +189,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>3c48925a6c1ab31865b4438a6cb88242d1a8fe4d</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="8.0.0-alpha.1.23455.1">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="8.0.0-alpha.1.23456.1">
       <Uri>https://github.com/dotnet/source-build-externals</Uri>
-      <Sha>80d1c9575b8e2a3c4244fe042e3ee2b662b22ebe</Sha>
+      <Sha>1b64d3c0fad8af67da8f42927ce7306730224c15</Sha>
       <SourceBuild RepoName="source-build-externals" ManagedOnly="true" />
     </Dependency>
     <Dependency Name="Microsoft.SourceBuild.Intermediate.symreader" Version="2.0.0-beta-23228-03">
diff --git a/eng/Versions.props b/eng/Versions.props
index a6d48977159e..a52cedfede75 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -162,7 +162,7 @@
     <MicrosoftDotNetBuildTasksTemplatingVersion>8.0.0-beta.23451.1</MicrosoftDotNetBuildTasksTemplatingVersion>
     <MicrosoftDotNetRemoteExecutorVersion>8.0.0-beta.23451.1</MicrosoftDotNetRemoteExecutorVersion>
     <!-- Packages from dotnet/source-build-externals -->
-    <MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>8.0.0-alpha.1.23455.1</MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>
+    <MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>8.0.0-alpha.1.23456.1</MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>
     <!-- Packages from dotnet/source-build-reference-packages -->
     <MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesVersion>8.0.0-alpha.1.23451.1</MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesVersion>
     <!-- Packages from dotnet/symreader -->