appraise "activerecord-5.2" do gem "activerecord", "~> 5.2.0" end appraise "activerecord-6.0" do gem "activerecord", "~> 6.0.0" end appraise "activerecord-7.0" do gem "activerecord", "~> 7.0.0.alpha2" end appraise "activerecord-master" do gem "activerecord", github: 'rails/rails', branch: :main end