language: ruby
rvm:
  - 2.2.3
  - 2.3.0
  - 2.3.1
before_install: gem install bundler -v 1.11.2

language: ruby
rvm:
  - 2.2.3
  - 2.3.0
  - 2.3.1
before_install: gem install bundler -v 1.12.5

Upgrade Bundler version on TravisCI
Upgrade Bundler version on TravisCI
