.travis.yml in omniauth-cas-1.1.0 vs .travis.yml in omniauth-cas-1.1.1

@@ -1,8 +1,8 @@
 rvm:
-  - 1.9.2
-  - 1.9.3
-  - 2.0.0
+  - 2.1
+  - 2.2
+  - 2.3.1
 branches:
   only:
     - master
 before_install:
   - gem install bundler