--- sudo: false language: ruby cache: bundler rvm: - 2.5.3 - 2.1.10 gemfile: - gemfiles/rails52.gemfile - gemfiles/rails51.gemfile - gemfiles/rails50.gemfile - gemfiles/rails42.gemfile - gemfiles/rails41.gemfile before_install: gem install bundler -v 1.17.1 matrix: exclude: - rvm: 2.1.10 gemfile: gemfiles/rails52.gemfile - rvm: 2.1.10 gemfile: gemfiles/rails51.gemfile - rvm: 2.1.10 gemfile: gemfiles/rails50.gemfile