language: ruby

cache: bundler

rvm:
  - 2.2.5
  - 2.3.1
  - ruby-head
  - rbx
  - jruby

script: bundle exec rspec

before_install:
  - gem update bundler

language: ruby

cache: bundler

rvm:
  - 2.3
  - 2.4
  - 2.5
  - ruby-head
  - jruby
  - rbx-3

script: bundle exec rspec

before_install:
  - gem install bundler

Add latest Ruby versions to Travis config
Add latest Ruby versions to Travis config
