diff --git a/testapps/ClassLibraryTagHelper/ClassLibraryTagHelper.csproj b/testapps/ClassLibraryTagHelper/ClassLibraryTagHelper.csproj
index 918c156091..1cdb742bea 100644
--- a/testapps/ClassLibraryTagHelper/ClassLibraryTagHelper.csproj
+++ b/testapps/ClassLibraryTagHelper/ClassLibraryTagHelper.csproj
@@ -2,8 +2,8 @@
   <Import Project="..\..\build\dependencies.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard1.6;net461</TargetFrameworks>
-    <TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">netstandard1.6</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net461</TargetFrameworks>
+    <TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">netstandard2.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Razor.Runtime" Version="$(AspNetCoreVersion)" />