Install-Package Autofac.Mvc5 bunu install ettiğimde hata alıyorum.

Install-Package : Could not install package 'Autofac.Mvc5 4.0.0'. You are trying to install this package into a project that targets '.NETFramework,Versi but the package
does not contain any assembly references or content files that are compatible with that framework. For more information, contact the package author.
Problemi projemin içindeki .net freamwork ü 4.5.1 update ederek çözdüm