appraise "rails51" do gem "activesupport", "~> 5.1.0" gem 'sqlite3', '~> 1.3.6' end appraise "rails52" do gem "activesupport", "~> 5.2.0" gem 'sqlite3', '~> 1.4' gem 'appsignal', '~> 2.9.8' # test each minor versions we support end appraise "rails60" do gem "activesupport", "~> 6.0.0" gem 'sqlite3', '~> 1.4' gem 'appsignal', '~> 2.10.6' end