安装炼油厂cms 2.1.3

Question

我添加了我的宝石文件

gem 'refinerycms', '~> 2.1.3'

在我运行bundle install之后失败并出现以下错误

 Don't run Bundler as root. Bundler can ask for sudo if it is needed, and
 installing your bundle as root will break this application for all non-root
 users on this machine.
 Fetching gem metadata from https://rubygems.org/.........
 Fetching additional metadata from https://rubygems.org/..
 Resolving dependencies...
 **Bundler could not find compatible versions for gem "sass-rails":**
 In Gemfile:
    refinerycms (~> 2.1.3) x86-mingw32 depends on
      refinerycms-core (= 2.1.3) x86-mingw32 depends on
        sass-rails (~> 3.2.3) x86-mingw32

 sass-rails (4.0.3)

但是当我添加时，gem没有版本

gem 'refinerycms'

它有效。如何解决这个问题，为我现有的项目添加炼油厂cms的后期版本。