.travis.yml in sidekiq-unique-jobs-2.7.0 vs .travis.yml in sidekiq-unique-jobs-2.7.1

@@ -4,9 +4,15 @@
 rvm:
   - 1.9.3
   - jruby-19mode
   - rbx-19mode
   - 2.0.0
+  - 2.1.0
+gemfile:
+  - gemfiles/sidekiq_2.15.gemfile
+  - gemfiles/sidekiq_2.16.gemfile
+  - gemfiles/sidekiq_2.17.gemfile
+  - gemfiles/sidekiq_develop.gemfile
 branches:
   only:
     - master
 notifications:
   email:
\ No newline at end of file