appraise "rails_4_0" do version = "~> 4.0.12" gem "activesupport", version gem "actionpack", version gem "activerecord", version gem "railties", version end appraise "rails_4_1" do version = "~> 4.1.8" gem "activesupport", version gem "actionpack", version gem "activerecord", version gem "railties", version end appraise "rails_4_2" do version = "~> 4.2.0" gem "activesupport", version gem "actionpack", version gem "activerecord", version gem "railties", version end appraise "rails_5_0" do version = "~> 5.0.0" gem "activesupport", version gem "actionpack", version gem "activerecord", version gem "railties", version end