language: ruby
rvm:
  - 2.0.0
  - 2.1.8
  - 2.2.4
  - 2.3.0
  - ruby-head
before_install: gem install bundler -v 1.11.2

language: ruby
rvm:
  - 2.0.0
  - 2.1.10
  - 2.2.5
  - 2.3.1
  - ruby-head
before_install: gem install bundler -v 1.11.2

Update Ruby version on Travis CI
Update Ruby version on Travis CI
