language: ruby

rvm:
  - 2.1.10
  - 2.2.5
  - 2.3.1

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

notifications:
  email: false

language: ruby

rvm:
  - 2.5
  - 2.6
  - 2.7

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

notifications:
  email: false

Test only maintened ruby versions
Test only maintened ruby versions
