<Project Sdk="Microsoft.NET.Sdk" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <PropertyGroup> <TargetFramework>netstandard1.5</TargetFramework> </PropertyGroup> <ItemGroup> <PackageReference Include="NETStandard.Library" Version="1.6.0" /> </ItemGroup> </Project>