.travis.yml in sidekiq-2.17.1 vs .travis.yml in sidekiq-2.17.2

@@ -4,9 +4,10 @@
 rvm:
   - 1.9.3
   - jruby-19mode
   - rbx
   - 2.0.0
+  - 2.1.0
 matrix:
   allow_failures:
     - rvm: jruby-19mode
     - rvm: rbx