appraise "3.0" do gem "rails", "~> 3.0.13" gem "paperclip", :path => "../" end appraise "3.1" do gem "rails", "~> 3.1.5" gem "paperclip", :path => "../" end appraise "3.2" do gem "rails", "~> 3.2.5" gem "paperclip", :path => "../" end