language: ruby
script: ./script/cibuild
rvm:
  - 2.2.3
sudo: false
cache: bundler
notifications:
  email: false

env:
  global:
    MACHINE_USER_NAME: Hubot
    MACHINE_USER_EMAIL: hubot@example.com

language: ruby
script: ./script/cibuild
rvm:
  - 2.4.0
sudo: false
cache: bundler
notifications:
  email: false

env:
  global:
    MACHINE_USER_NAME: Hubot
    MACHINE_USER_EMAIL: hubot@example.com

Use 2.4.0 ‘cause that’s what’s in the Gemfile yo
Use 2.4.0 
‘cause that’s what’s in the Gemfile yo