language: ruby
sudo: false
cache: bundler
services:
  - redis-server
before_install:
  - gem install bundler
  - gem update bundler
rvm:
  - 2.0.0
  - 2.1.8
  - 2.2.4
  - 2.3.0
  - jruby-head
  - rbx-2
matrix:
  allow_failures:
    - rvm: rbx-2

language: ruby
sudo: false
cache: bundler
services:
  - redis-server
before_install:
  - gem install bundler
  - gem update bundler
rvm:
  - 2.2.4
  - 2.3.0
  - 2.4.0
  - jruby-head
  - rbx-2
matrix:
  allow_failures:
    - rvm: rbx-2

Add new ruby version and drop old versions
Add new ruby version and drop old versions