language: ruby
rvm:
  - 2.0
  - 2.1
  - 2.2
  - 2.3.1
gemfile:
  - gemfiles/4.0.gemfile
  - gemfiles/4.1.gemfile

language: ruby
rvm:
  - 2.0
  - 2.1
  - 2.2
  - 2.3.1
gemfile:
  - gemfiles/4.0.gemfile
  - gemfiles/4.1.gemfile
sudo: false
before_script:
  - gem update bundler

Update bundler before running the build
Update bundler before running the build
