.travis.yml in identity_cache-0.2.3 vs .travis.yml in identity_cache-0.2.4

@@ -1,10 +1,11 @@
 language: ruby
 
 rvm:
   - 1.9.3
   - 2.0.0
-  - 2.1.1
+  - 2.1
+  - 2.2
 
 gemfile:
   - Gemfile.rails32
   - Gemfile.rails40
   - Gemfile.rails41