'Serilog' already has a dependency defined for 'Microsoft.CSharp' : <p>I am trying to install serilog and I'm getting error</p>

<blockquote>
  <p>PM> Install-Package Serilog<br>
  Install-Package : 'Serilog' already has a<br>
  dependency defined for 'Microsoft.CSharp'. At line:1 char:1<br>
  + Install-Package Serilog<br>
  + ~~~~~~~~~~~~~~~~~~~~~~~<br>
      + CategoryInfo          : NotSpecified: (:) [Install-Package],   InvalidOperationException<br>
      + FullyQualifiedErrorId :   NuGetCmdletUnhandledException,NuGet.PowerShell.Commands.InstallPackageCommand  </p>
</blockquote>

<p><code>Microsoft.CSharp</code> is already referenced in my project</p>
