diff --git a/eng/SourceBuildPrebuiltBaseline.xml b/eng/SourceBuildPrebuiltBaseline.xml
index b340308afd65..f4d9990ef1b9 100644
--- a/eng/SourceBuildPrebuiltBaseline.xml
+++ b/eng/SourceBuildPrebuiltBaseline.xml
@@ -48,6 +48,39 @@
     <!-- Transitive dependency of System.Security.Cryptography.Pkcs.5.0.*. -->
     <UsagePattern IdentityGlob="System.Formats.Asn1/6.0.0" />
     <UsagePattern IdentityGlob="System.Formats.Asn1/5.0.0" />
+
+    <!-- Transitive dependency of Microsoft.CodeAnalysis.Workspaces.Common, which gets bumped to latest in full product build -->
+    <UsagePattern IdentityGlob="Microsoft.NETCore.Targets/1.1.0" />
+    <UsagePattern IdentityGlob="System.Buffers/4.4.0" />
+    <UsagePattern IdentityGlob="System.Collections/4.3.0" />
+    <UsagePattern IdentityGlob="System.Collections.Immutable/1.5.0" />
+    <UsagePattern IdentityGlob="System.Composition.AttributedModel/1.0.31" />
+    <UsagePattern IdentityGlob="System.Composition.Convention/1.0.31" />
+    <UsagePattern IdentityGlob="System.Composition.Hosting/1.0.31" />
+    <UsagePattern IdentityGlob="System.Composition.Runtime/1.0.31" />
+    <UsagePattern IdentityGlob="System.Composition.TypedParts/1.0.31" />
+    <UsagePattern IdentityGlob="System.Diagnostics.Debug/4.3.0" />
+    <UsagePattern IdentityGlob="System.Diagnostics.Tools/4.3.0" />
+    <UsagePattern IdentityGlob="System.Globalization/4.3.0" />
+    <UsagePattern IdentityGlob="System.IO/4.3.0" />
+    <UsagePattern IdentityGlob="System.Linq/4.3.0" />
+    <UsagePattern IdentityGlob="System.Linq.Expressions/4.3.0" />
+    <UsagePattern IdentityGlob="System.Memory/4.5.3" />
+    <UsagePattern IdentityGlob="System.ObjectModel/4.3.0" />
+    <UsagePattern IdentityGlob="System.Reflection/4.3.0" />
+    <UsagePattern IdentityGlob="System.Reflection.Emit/4.3.0" />
+    <UsagePattern IdentityGlob="System.Reflection.Emit.ILGeneration/4.3.0" />
+    <UsagePattern IdentityGlob="System.Reflection.Emit.Lightweight/4.3.0" />
+    <UsagePattern IdentityGlob="System.Reflection.Extensions/4.3.0" />
+    <UsagePattern IdentityGlob="System.Reflection.Metadata/1.6.0" />
+    <UsagePattern IdentityGlob="System.Reflection.Primitives/4.3.0" />
+    <UsagePattern IdentityGlob="System.Reflection.TypeExtensions/4.3.0" />
+    <UsagePattern IdentityGlob="System.Resources.ResourceManager/4.3.0" />
+    <UsagePattern IdentityGlob="System.Runtime/4.3.0" />
+    <UsagePattern IdentityGlob="System.Runtime.Extensions/4.3.0" />
+    <UsagePattern IdentityGlob="System.Text.Encoding/4.3.0" />
+    <UsagePattern IdentityGlob="System.Threading/4.3.0" />
+    <UsagePattern IdentityGlob="System.Threading.Tasks/4.3.0" />
   </IgnorePatterns>
 
   <!-- Transitive dependencies, suppressed as per https://github.com/dotnet/aspnetcore/pull/57887#issuecomment-2362241518-->
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 23d1722b8baa..fc901fc2e3cf 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -343,9 +343,9 @@
       <Sha>1156b9aac00609107c21cf3458b797c76db6be7a</Sha>
       <SourceBuild RepoName="xdt" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="10.0.611901">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="10.0.615303">
       <Uri>https://github.com/dotnet/source-build-reference-packages</Uri>
-      <Sha>d794781cc75921b4ebbefe2eabdb0d6cd1713005</Sha>
+      <Sha>964c28e59a72516a64d4c8ff06b797703c5cdbfd</Sha>
       <SourceBuild RepoName="source-build-reference-packages" ManagedOnly="true" />
     </Dependency>
     <!-- Not updated automatically -->
diff --git a/eng/Versions.props b/eng/Versions.props
index 50bca827881c..6bdaa4d129b0 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -174,7 +174,7 @@
     <!-- Packages from dotnet/source-build-externals -->
     <MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>10.0.612501</MicrosoftSourceBuildIntermediatesourcebuildexternalsVersion>
     <!-- Packages from dotnet/source-build-reference-packages -->
-    <MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesVersion>10.0.611901</MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesVersion>
+    <MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesVersion>10.0.615303</MicrosoftSourceBuildIntermediatesourcebuildreferencepackagesVersion>
     <!-- Packages from dotnet/symreader -->
     <MicrosoftSourceBuildIntermediatesymreaderVersion>2.2.0-beta.25124.1</MicrosoftSourceBuildIntermediatesymreaderVersion>
     <!-- Packages from dotnet/xdt -->