.travis.yml in grocer-0.7.0 vs .travis.yml in grocer-0.7.1

@@ -1,13 +1,13 @@
 language: ruby
 rvm:
-  - 2.3.1
-  - 2.2.5
+  - 2.4.1
+  - 2.3.4
+  - 2.2.7
   - 2.1.10
   - 2.0.0
   - jruby
-  - rbx
-  - rbx-2
+  - rbx-2.2.7
 sudo: false
 addons:
   code_climate:
     repo_token: d414084f17a07a6b2d7da72eaa35d92281554a4266ab8d6246fee1f6c0c161b6