.travis.yml in sidekiq-throttled-0.2.0 vs .travis.yml in sidekiq-throttled-0.3.0.pre

@@ -16,9 +16,12 @@
     - rvm: jruby-9.0.1.0
     - rvm: jruby-head
     - rvm: ruby-head
     - rvm: rbx-2
   fast_finish: true
+gemfile:
+  - gemfiles/sidekiq_3.gemfile
+  - gemfiles/sidekiq_4.gemfile
 before_install:
   - gem install bundler -v 1.10.6
 services:
   - redis-server
 sudo: false