diff --git a/src/SourceBuild/content/repo-projects/source-build-externals.proj b/src/SourceBuild/content/repo-projects/source-build-externals.proj
index 6f905da54..e4d376bd0 100644
--- a/src/SourceBuild/content/repo-projects/source-build-externals.proj
+++ b/src/SourceBuild/content/repo-projects/source-build-externals.proj
@@ -3,6 +3,7 @@
 
   <PropertyGroup>
     <BuildCommand>$(StandardSourceBuildCommand) $(StandardSourceBuildArgs)</BuildCommand>
+    <PackageVersionPropsFlowType>DependenciesOnly</PackageVersionPropsFlowType>
   </PropertyGroup>
 
   <Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk" />
diff --git a/src/SourceBuild/content/repo-projects/xliff-tasks.proj b/src/SourceBuild/content/repo-projects/xliff-tasks.proj
index e6c43dd75..780ddf54b 100644
--- a/src/SourceBuild/content/repo-projects/xliff-tasks.proj
+++ b/src/SourceBuild/content/repo-projects/xliff-tasks.proj
@@ -7,6 +7,7 @@
 
     <DeterministicBuildOptOut>true</DeterministicBuildOptOut>
     <IsToolingProject>true</IsToolingProject>
+    <PackageVersionPropsFlowType>DependenciesOnly</PackageVersionPropsFlowType>
   </PropertyGroup>
 
   <Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk" />