circle.yml in sitehub-0.5.0.alpha10 vs circle.yml in sitehub-0.5.0.alpha11

@@ -1,6 +1,6 @@
 machine:
   ruby:
-    version: '2.2'
+    version: '2.3.0'
 test:
   override:
     - bundle exec rake
\ No newline at end of file