diff --git a/src/Framework/ref/Microsoft.AspNetCore.App.Ref.csproj b/src/Framework/ref/Microsoft.AspNetCore.App.Ref.csproj
index 9acbccd901..911bfead8a 100644
--- a/src/Framework/ref/Microsoft.AspNetCore.App.Ref.csproj
+++ b/src/Framework/ref/Microsoft.AspNetCore.App.Ref.csproj
@@ -35,6 +35,9 @@ This package is an internal implementation of the .NET Core SDK and is not meant
 
     <!-- This project should not be referenced via the `<Reference>` impementation. -->
     <IsProjectReferenceProvider>false</IsProjectReferenceProvider>
+
+    <PackageConflictManifestFileName>PackageOverrides.txt</PackageConflictManifestFileName>
+    <PackageConflictManifestPackagePath>data/</PackageConflictManifestPackagePath>
   </PropertyGroup>
 
   <ItemGroup>
@@ -47,6 +50,7 @@ This package is an internal implementation of the .NET Core SDK and is not meant
   <PropertyGroup>
     <BuildDependsOn>
       $(BuildDependsOn);
+      GeneratePackageConflictManifest;
       _ResolveTargetingPackContent;
       _BatchCopyToOutputDirectory;
     </BuildDependsOn>
@@ -83,9 +87,25 @@ This package is an internal implementation of the .NET Core SDK and is not meant
       <RefPackContent Include="@(AspNetCoreReferenceDocXml)" />
 
       <_PackageFiles Include="@(RefPackContent)" PackagePath="$(RefAssemblyPackagePath)" />
+      <_PackageFiles Include="$(TargetDir)$(PackageConflictManifestFileName)" PackagePath="$(PackageConflictManifestPackagePath)" />
     </ItemGroup>
   </Target>
 
+  <Target Name="GeneratePackageConflictManifest"
+          DependsOnTargets="ResolveReferences"
+          Inputs="$(MSBuildAllProjects)"
+          Outputs="$(TargetDir)$(PackageConflictManifestFileName)">
+    <ItemGroup>
+      <_AspNetCoreAppPackageOverrides Include="@(ReferencePath->'%(NuGetPackageId)|%(NuGetPackageVersion)')" Condition=" '%(ReferencePath.NuGetPackageId)' != 'Microsoft.NETCore.App' AND '%(ReferencePath.NuGetSourceType)' == 'Package' " />
+      <_AspNetCoreAppPackageOverrides Include="@(ReferencePath->'%(FileName)|$(SharedFxVersion)')" Condition=" '%(ReferencePath.ReferenceSourceTarget)' == 'ProjectReference' " />
+    </ItemGroup>
+
+    <WriteLinesToFile
+        Lines="@(_AspNetCoreAppPackageOverrides)"
+        File="$(TargetDir)$(PackageConflictManifestFileName)"
+        Overwrite="true" />
+  </Target>
+
   <!-- Written to take advantage of target batching in MSBuild. -->
   <Target Name="_BatchCopyToOutputDirectory"
           DependsOnTargets="_ResolveTargetingPackContent"