appraise "3.2" do gem "rails", "~> 3.2.0" gem "paperclip", :path => "../" end appraise "4.1" do gem "rails", "~> 4.1.0" gem "paperclip", :path => "../" end appraise "4.2" do gem "rails", "~> 4.2.0" gem "paperclip", :path => "../" end