diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index c60350d09b98d..a312241b9f0bd 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -1,11 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
   <ProductDependencies>
+    <!-- Intermediate is necessary for source build. -->
     <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="8.0.0-alpha.1.23570.1">
       <Uri>https://github.com/dotnet/source-build-externals</Uri>
       <Sha>e844aa02a05b90d8cbe499676ec6ee0f19ec4980</Sha>
       <SourceBuild RepoName="source-build-externals" ManagedOnly="true" />
     </Dependency>
+    <!-- Intermediate is necessary for source build. -->
     <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="9.0.0-alpha.1.24073.1">
       <Uri>https://github.com/dotnet/source-build-reference-packages</Uri>
       <Sha>412264fd6c04712d1d31ff05d37c6919101ef4f4</Sha>
@@ -15,6 +17,7 @@
       <Uri>https://github.com/dotnet/command-line-api</Uri>
       <Sha>a045dd54a4c44723c215d992288160eb1401bb7f</Sha>
     </Dependency>
+    <!-- Intermediate is necessary for source build. -->
     <Dependency Name="Microsoft.SourceBuild.Intermediate.command-line-api" Version="0.1.440701">
       <Uri>https://github.com/dotnet/command-line-api</Uri>
       <Sha>a045dd54a4c44723c215d992288160eb1401bb7f</Sha>
@@ -54,17 +57,28 @@
     <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="8.0.0-beta.24059.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
       <Sha>61ae141d2bf3534619265c8f691fd55dc3e75147</Sha>
+    </Dependency>
+    <!-- Intermediate is necessary for source build. -->
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.arcade" Version="8.0.0-beta.24059.4">
+      <Uri>https://github.com/dotnet/arcade</Uri>
+      <Sha>61ae141d2bf3534619265c8f691fd55dc3e75147</Sha>
       <SourceBuild RepoName="arcade" ManagedOnly="true" />
     </Dependency>
     <Dependency Name="Microsoft.DotNet.XliffTasks" Version="1.0.0-beta.23475.1" CoherentParentDependency="Microsoft.DotNet.Arcade.Sdk">
       <Uri>https://github.com/dotnet/xliff-tasks</Uri>
       <Sha>73f0850939d96131c28cf6ea6ee5aacb4da0083a</Sha>
+    </Dependency>
+    <!-- Intermediate is necessary for source build. -->
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.xliff-tasks" Version="1.0.0-beta.23475.1" CoherentParentDependency="Microsoft.DotNet.Arcade.Sdk">
+      <Uri>https://github.com/dotnet/xliff-tasks</Uri>
+      <Sha>73f0850939d96131c28cf6ea6ee5aacb4da0083a</Sha>
       <SourceBuild RepoName="xliff-tasks" ManagedOnly="true" />
     </Dependency>
     <Dependency Name="Microsoft.DiaSymReader" Version="2.0.0">
       <Uri>https://github.com/dotnet/symreader</Uri>
       <Sha>27e584661980ee6d82c419a2a471ae505b7d122e</Sha>
     </Dependency>
+    <!-- Intermediate is necessary for source build. -->
     <Dependency Name="Microsoft.SourceBuild.Intermediate.symreader" Version="2.0.0-beta-23228-04">
       <Uri>https://github.com/dotnet/symreader</Uri>
       <Sha>27e584661980ee6d82c419a2a471ae505b7d122e</Sha>