appraise "rails-5.1" do gem "rails", "~> 5.1.0" end appraise "rails-5.2" do gem "rails", "~> 5.2.0" end appraise "rails-6.0" do gem "rails", "~> 6.0.0" end appraise "rails-6.1" do gem "rails", "~> 6.1.0" end appraise "rails-7.0" do gem "rails", "~> 7.0.0" end appraise "rails-7.1" do gem "rails", "~> 7.1.0" end