language: ruby
rvm:
  - 2.2.6
  - 2.3.3
  - 2.4.0
script: bundle exec rake ci
sudo: false
cache: bundler

language: ruby
rvm:
  - 2.2.6
  - 2.3.3
  - 2.4.0
before_install: gem update --system # https://github.com/sickill/rainbow/issues/49
script: bundle exec rake ci
sudo: false
cache: bundler

Update rubygems on Travis CI
Update rubygems on Travis CI
