.travis.yml in sidekiq-unique-jobs-3.0.11 vs .travis.yml in sidekiq-unique-jobs-3.0.12

@@ -4,10 +4,11 @@
 rvm:
   - 1.9.3
   - jruby-19mode
   - rbx-19mode
   - 2.0.0
-  - 2.1.0
+  - 2.1.2
+  - 2.2.2
 gemfile:
   - gemfiles/sidekiq_2.15.gemfile
   - gemfiles/sidekiq_2.16.gemfile
   - gemfiles/sidekiq_2.17.gemfile
   - gemfiles/sidekiq_3.0.gemfile