.travis.yml in mini_portile2-2.1.0 vs .travis.yml in mini_portile2-2.2.0.rc1

@@ -1,11 +1,12 @@
----
+--
 language: ruby
 sudo: false
 rvm:
   - 1.9.3
   - 2.0
   - 2.1
   - 2.2
+  - 2.3.0
   - ruby-head
   - jruby-1.7.23
   - jruby-9.0.4.0