sudo: false
language: ruby
rvm:
  - 2.3.0
  - 2.2.4
  - 2.1.8
  - 2.0.0
  - 1.9.3

sudo: false
language: ruby
rvm:
  - 2.4.1
  - 2.3.0
  - 2.2.4
  - 2.1.8
  - 2.0.0
  - 1.9.3

Add ruby 2.4.1 to CI builds
[ci] Add ruby 2.4.1 to CI builds
