.travis.yml in saneitized-1.4.0 vs .travis.yml in saneitized-1.5.0

@@ -1,7 +1,8 @@
 language: ruby
 rvm:
   - 1.9.3
   - 2.0.0
-  - 2.1.3
+  - 2.1.5
+  - 2.2.1
   - rbx-2
   - jruby-19mode