diff --git a/Directory.Build.targets b/Directory.Build.targets
index c3d61be3b4..eb03b2565f 100644
--- a/Directory.Build.targets
+++ b/Directory.Build.targets
@@ -1,5 +1,6 @@
 <Project>
   <PropertyGroup>
     <RuntimeFrameworkVersion Condition=" '$(TargetFramework)' == 'netcoreapp2.1' ">$(MicrosoftNETCoreApp21PackageVersion)</RuntimeFrameworkVersion>
+    <NETStandardImplicitPackageVersion Condition=" '$(TargetFramework)' == 'netstandard2.0' ">$(NETStandardLibrary20PackageVersion)</NETStandardImplicitPackageVersion>
   </PropertyGroup>
 </Project>
diff --git a/build/dependencies.props b/build/dependencies.props
index d9400a48e4..3bd63d7ea5 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -81,6 +81,7 @@
     <MicrosoftNetHttpHeadersPackageVersion>2.1.0-preview3-32233</MicrosoftNetHttpHeadersPackageVersion>
     <MicrosoftNETSdkRazorPackageVersion>2.1.0-preview3-32233</MicrosoftNETSdkRazorPackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.6.1</MicrosoftNETTestSdkPackageVersion>
+    <NETStandardLibrary20PackageVersion>2.0.1</NETStandardLibrary20PackageVersion>
     <MoqPackageVersion>4.7.49</MoqPackageVersion>
     <NewtonsoftJsonBsonPackageVersion>1.0.1</NewtonsoftJsonBsonPackageVersion>
     <SystemComponentModelAnnotationsPackageVersion>4.5.0-preview3-26413-02</SystemComponentModelAnnotationsPackageVersion>