警告MSB3276 - 发现同一依赖程序集的不同版本之间存在冲突

My solution consists of multiple projects and compiles fine. I'm using nuget and one of the packages that I use is log4net.2.0.0. I've recently updated the package to log4net.2.0.3 and made sure that in each project that belongs to the solution, the reference is updated. Unfortunately I'm still getting the following warning during the compilation process:My solution consists of multiple projects and c