language: ruby
services:
  - redis-server
rvm:
  - 2.3
  - 2.2
  - 2.1
  - 2.0.0
notifications:
  email:
    recipients:
      - gabe@ga.be
gemfile:
  - gemfiles/sidekiq_2.gemfile
  - gemfiles/sidekiq_master.gemfile

language: ruby
services:
  - redis-server
rvm:
  - 2.3
  - 2.2
  - 2.1
  - 2.0.0
notifications:
  email:
    recipients:
      - gabe@ga.be
gemfile:
  - gemfiles/sidekiq_2.gemfile
  - gemfiles/sidekiq_master.gemfile
before_install:
  - gem update bundler

Update bundler before Travis CI builds
Update bundler before Travis CI builds

Builds with older versions of bundler have been failing recently. The
easy fix appears to be upgrading to the latest release.

See issue: bundler/bundler#3560
