language: ruby
rvm:
  - 2.1.8
  - 2.2.4
  - 2.3.0
notifications:
  email: false

language: ruby
rvm:
  - 2.2.4
  - 2.3.0
notifications:
  email: false

Drop support of eol ruby
Drop support of eol ruby

All support of the Ruby 2.1 series has ended
