appraise "8.0" do gem "railties", "~> 8.0.0" end appraise "7.2" do gem "railties", "~> 7.2.0" end appraise "7.1" do gem "railties", "~> 7.1.0" end appraise "6.1" do gem "railties", "~> 6.1.0" end appraise "6.0" do gem "railties", "~> 6.0" end appraise "5.2" do gem "railties", "~> 5.2.0" end