language: ruby
cache: bundler
sudo: false
rvm:
  - 2.2.5
  - 2.3.1
env:
  global:
    - NOKOGIRI_USE_SYSTEM_LIBRARIES=true

language: ruby
cache: bundler
sudo: false
rvm:
  - 2.3.7
  - 2.4.4
  - 2.5.1
env:
  global:
    - NOKOGIRI_USE_SYSTEM_LIBRARIES=true

Update ruby versions in build matrix
Update ruby versions in build matrix
