.travis.yml in rgot-0.1.5 vs .travis.yml in rgot-0.2.0

@@ -1,7 +1,7 @@
 language: ruby
 rvm:
-  - 2.0.0
-  - 2.1.7
-  - 2.2.3
+  - 2.1.10
+  - 2.2.4
+  - 2.3.0
 notifications:
   email: false