appraise "3.0" do gem "rails", "~> 3.0.15" gem "paperclip", :path => "../" end appraise "3.1" do gem "rails", "~> 3.1.6" gem "paperclip", :path => "../" end appraise "3.2" do gem "rails", "~> 3.2.6" gem "paperclip", :path => "../" end