appraise "activerecord_32" do gem "activerecord", "~> 3.2.0" end appraise "activerecord_40" do gem "activerecord", "~> 4.0.0" end appraise "activerecord_41" do gem "activerecord", "~> 4.1.0" end appraise "activerecord_42" do gem "activerecord", "~> 4.2.0" end appraise "activerecord_edge" do git 'git://github.com/rails/rails.git' do gem 'activerecord', require: 'activerecord' end gem 'arel', :github => 'rails/arel' end