language: ruby
rvm:
  - 2.2.3
before_install: gem install bundler -v 1.11.0
cache: bundler
sudo: false

language: ruby
rvm:
  - 2.2.4
before_install: gem install bundler -v 1.11.0
cache: bundler
sudo: false

Update tested ruby to 2.2.4
Update tested ruby to 2.2.4