appraise "rails-4.1" do gem 'railties', '~> 4.1' gem 'activesupport', '~> 4.1' end appraise "rails-4.2" do gem 'railties', '~> 4.2' gem 'activesupport', '~> 4.2' end appraise "rails-5.0" do gem 'railties', '~> 5.0' gem 'activesupport', '~> 5.0' end appraise "rails-5.1" do gem 'railties', '~> 5.1' gem 'activesupport', '~> 5.1' end appraise "rails-5.2" do gem 'railties', '~> 5.2' gem 'activesupport', '~> 5.2' end appraise "rails-6.0" do gem 'railties', '~> 6.0' gem 'activesupport', '~> 6.0' end appraise "rails-6.1" do gem 'railties', '~> 6.1' gem 'activesupport', '~> 6.1' end