diff --git a/src/Http/Http.Abstractions/src/Microsoft.AspNetCore.Http.Abstractions.csproj b/src/Http/Http.Abstractions/src/Microsoft.AspNetCore.Http.Abstractions.csproj
index 166634bfb7..5216c69c07 100644
--- a/src/Http/Http.Abstractions/src/Microsoft.AspNetCore.Http.Abstractions.csproj
+++ b/src/Http/Http.Abstractions/src/Microsoft.AspNetCore.Http.Abstractions.csproj
@@ -18,11 +18,11 @@ Microsoft.AspNetCore.Http.HttpResponse</Description>
 
   <ItemGroup>
     <Compile Include="$(SharedSourceRoot)PropertyHelper\**\*.cs" />
+    <Compile Include="$(SharedSourceRoot)ActivatorUtilities\**\*.cs" />
   </ItemGroup>
 
   <ItemGroup>
     <Reference Include="Microsoft.AspNetCore.Http.Features" />
-    <Reference Include="Microsoft.Extensions.ActivatorUtilities.Sources" />
     <Reference Include="Microsoft.Net.Http.Headers" />
 
     <Compile Include="$(SharedSourceRoot)ActivatorUtilities\*.cs" />