before_install:
  - gem install bundler

rvm:
  - 2.3.6
  - 2.4.6
  - 2.5.4
  - 2.6.2

env:
  - RAILS_VERSION="~> 4.2"
  - RAILS_VERSION="~> 5.0"

before_install:
  - gem install bundler

rvm:
  - 2.4.6
  - 2.5.5
  - 2.6.3

env:
  - RAILS_VERSION="~> 4.2"
  - RAILS_VERSION="~> 5.0"

Update build matrix; support of Ruby 2.3 ended
Update build matrix; support of Ruby 2.3 ended

https://www.ruby-lang.org/en/news/2019/03/31/support-of-ruby-2-3-has-ended/
