addons:
  apt:
    packages:
    - libgmp-dev
language: ruby
rvm:
  - 2.4.0
  - 2.3.0
  - 2.2.4
  - 2.2.3
  - 2.2.2
  - 2.1.8
before_install: gem install bundler
after_success: bundle exec codeclimate-test-reporter

addons:
  apt:
    packages:
    - libgmp-dev
language: ruby
rvm:
  - 2.4.2
  - 2.3.5
  - 2.2.8
before_install: gem install bundler
after_success: bundle exec codeclimate-test-reporter

Update list of supported rubies
Update list of supported rubies

Summary
-------

Let's make sure we're green against only currently supported ruby
versions.

References
----------

- https://www.ruby-lang.org/en/downloads/
