# appraise "rails4.2" do # gem "rails", "~> 4.2.0" # end appraise "rails5.1" do gem "rails", "~> 5.1.0" end appraise "rails5.2" do gem "rails", "~> 5.2.0" end appraise "rails6.0" do gem "rails", "~> 6.0.0" end appraise "rails6.1" do gem "rails", "~> 6.1.0" end appraise "rails_master" do gem "rails", github: "rails" end