.travis.yml in access-2.0.46 vs .travis.yml in access-2.0.47

@@ -2,9 +2,9 @@
 language: ruby
 rvm:
   - 2.0
   - 2.1
   - 2.2
-  - ruby-head
+  - 2.3.0
 script: "bundle exec rake test"
 notifications:
   slack: accessdevelopment:ROQuruk7tsHBNDHZ1kGoXvdl