language: ruby
sudo: false
rvm:
  - 2.1.10
  - 2.2.9
  - 2.3.6
  - 2.4.3
  - 2.5.0
  - jruby-9.1.15.0

before_install:
  - travis_retry gem update --system

notifications:
  slack:
    secure: XubYKuE3+6VJNDvjgVE2P0cp3Km/We1RlhkeHBGI+r0wYqAg6tab33IYFo+3BgE0xwl1RX3SwX1pbPt3LVDi8zLA5mkmmmDiNIqqYa1vICDgRgu8OTCRcCCTaWB5DhVY11iZaYFyQEoQ+aUHp9QoYeH7Qmp+M2//+DYG9wka6kA=