title: How to upgrade MVC 3 project to .NET 4.5 [NOT to MVC 4]
body: <p>How to upgrade MVC 3 project to .NET 4.5?
  Which assemblies should I update?</p>
  
  <p>I've change
       <code>&lt;TargetFrameworkVersion&gt;v4.5&lt;/TargetFrameworkVersion&gt;</code></p>
  
  <p>but still it's not enough.</p>