.travis.yml in locomotivecms_coal-1.4.0 vs .travis.yml in locomotivecms_coal-1.5.0

@@ -1,7 +1,7 @@
 language: ruby
 rvm:
-  - 2.3.3
+  - 2.5.0
 env:
   - CODECLIMATE_REPO_TOKEN=8d9c25de4eff1cd06d3accdc09775397e1a81be67e2a159453ba4e4408acae16
 addons:
   code_climate:
     repo_token: 8d9c25de4eff1cd06d3accdc09775397e1a81be67e2a159453ba4e4408acae16