diff --git a/src/Orleans.CodeGenerator/Orleans.CodeGenerator.csproj b/src/Orleans.CodeGenerator/Orleans.CodeGenerator.csproj
index e28f94751f..36d027e74b 100644
--- a/src/Orleans.CodeGenerator/Orleans.CodeGenerator.csproj
+++ b/src/Orleans.CodeGenerator/Orleans.CodeGenerator.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk" ToolsVersion="15.0">
+<Project Sdk="Microsoft.NET.Sdk" ToolsVersion="15.0">
   <PropertyGroup>
     <AssemblyName>Orleans.CodeGenerator</AssemblyName>
     <RootNamespace>Orleans.CodeGenerator</RootNamespace>
@@ -9,6 +9,5 @@
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="$(MicrosoftCodeAnalysisVersion)" />
     <PackageReference Include="System.Runtime" Version="$(SystemRuntimeVersion)" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="$(MicrosoftExtensionsLoggingVersion)" />
-    <PackageReference Include="System.Threading.Tasks.Extensions" Version="$(SystemThreadingTasksExtensionsVersion)" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/src/Orleans.Core.Abstractions/Orleans.Core.Abstractions.csproj b/src/Orleans.Core.Abstractions/Orleans.Core.Abstractions.csproj
index 00f02d876a..6316cd7d8e 100644
--- a/src/Orleans.Core.Abstractions/Orleans.Core.Abstractions.csproj
+++ b/src/Orleans.Core.Abstractions/Orleans.Core.Abstractions.csproj
@@ -14,6 +14,7 @@
 
   <ItemGroup>
     <PackageReference Include="System.Memory" Version="$(SystemMemoryVersion)" />
+    <PackageReference Include="System.Threading.Tasks.Extensions" Version="$(SystemThreadingTasksExtensionsVersion)" />
   </ItemGroup>
   
 </Project>