diff --git a/eng/SourceBuildPrebuiltBaseline.xml b/eng/SourceBuildPrebuiltBaseline.xml
index 4e366ddb46918..4185d755fa612 100644
--- a/eng/SourceBuildPrebuiltBaseline.xml
+++ b/eng/SourceBuildPrebuiltBaseline.xml
@@ -6,6 +6,7 @@
     <!-- Allowed due to https://github.com/dotnet/source-build-reference-packages/pull/721 -->
     <UsagePattern IdentityGlob="System.Composition*/*6.*" />
     <UsagePattern IdentityGlob="System.Composition*/*7.*" />
+    <UsagePattern IdentityGlob="System.Composition*/*8.*" />
     <UsagePattern IdentityGlob="Microsoft.CodeAnalysis*/*4.4.*" />
     <UsagePattern IdentityGlob="Microsoft.CodeAnalysis*/*4.8.*" />
 
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index dbf6b31e61ab3..e9d04b09e2189 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -75,9 +75,9 @@
       <SourceBuild RepoName="emsdk" ManagedOnly="true" />
     </Dependency>
     <!-- Intermediate is necessary for source build. -->
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="9.0.0-alpha.1.24374.1">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="10.0.0-alpha.1.24415.3">
       <Uri>https://github.com/dotnet/source-build-reference-packages</Uri>
-      <Sha>26ae006620fb4518276b494efac55dbcd8f80224</Sha>
+      <Sha>e9c7c7740133e6e4f92d22d0410a379a8f2d24e7</Sha>
       <SourceBuild RepoName="source-build-reference-packages" ManagedOnly="true" />
     </Dependency>
     <!-- Intermediate is necessary for source build. -->