Here's a question similar to yours
Here's a sample .csproj. Be sure to have
<TargetFramework>netcoreapp2.2</TargetFramework>
Make sure your project is on 2.2 before updating your packages to 2.2.
<Project Sdk="Microsoft.NET.Sdk.Web">
<PropertyGroup>
<TargetFramework>netcoreapp2.2</TargetFramework>
<TypeScriptToolsVersion>3.1</TypeScriptToolsVersion>
<AspNetCoreHostingModel>OutOfProcess</AspNetCoreHostingModel>
<CopyRefAssembliesToPublishDirectory>false</CopyRefAssembliesToPublishDirectory>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Gelf.Extensions.Logging" Version="1.5.1" />
<PackageReference Include="Microsoft.AspNetCore.Mvc.Versioning" Version="3.1.2" />
<PackageReference Include="Microsoft.AspNetCore.App" Version="2.2.1" />
<PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.2.1" />
<PackageReference Include="SlackLogger" Version="2.0.5" />
<PackageReference Include="System.Xml.Linq" Version="3.5.21022.801" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\Nozomi.Infra.Preprocessing\Nozomi.Infra.Preprocessing.csproj" />
<ProjectReference Include="..\Nozomi.Infra.Service.Identity\Nozomi.Infra.Service.Identity.csproj" />
<ProjectReference Include="..\Nozomi.Infra.Service\Nozomi.Infra.Service.csproj" />
</ItemGroup>
<ItemGroup>
<_ContentIncludedByDefault Remove="Areas\Identity\Pages\_ViewImports.cshtml" />
</ItemGroup>
</Project>