circle.yml in fizzy-api-0.1.2 vs circle.yml in fizzy-api-0.1.3

@@ -1,9 +1,9 @@
 machine:
   timezone:
     Europe/Amsterdam
   ruby:
-    version: 2.1.5
+    version: 2.2.4
 test:
   override:
     - bundle exec rspec spec:
         environment:
           RAILS_ENV: test