sudo: false
language: ruby
rvm:
- 2.0
- 2.1
- 2.2
- 2.3.3
- 2.4.0
env: COVERALL=1

before_install:
  - gem update --system
  - gem install bundler

sudo: false
language: ruby
rvm:
- 2.0
- 2.1
- 2.2
- 2.3.4
- 2.4.1
env: COVERALL=1

before_install:
  - gem update --system
  - gem install bundler

Upgrade Rubies for Travis CI
Upgrade Rubies for Travis CI
