language: ruby
rvm:
- 2.4.1
script: script/cibuild

env:
  global:
  - NOKOGIRI_USE_SYSTEM_LIBRARIES=true # speeds up installation of html-proofer

sudo: false # migrate to container-based infrastructure

language: ruby
rvm:
- 2.5.1
script: script/cibuild

env:
  global:
  - NOKOGIRI_USE_SYSTEM_LIBRARIES=true # speeds up installation of html-proofer

sudo: false # migrate to container-based infrastructure

Update Ruby version to v2.5.1
Update Ruby version to v2.5.1
