.travis.yml in comfy_blog-2.0.4 vs .travis.yml in comfy_blog-2.0.5

@@ -1,17 +1,19 @@
 language: ruby
+rvm:
+  - 2.2.9
+  - 2.3.6
+  - 2.4.3
+  - 2.5.0
+gemfile:
+  - test/gemfiles/5.2.gemfile
+branches:
+  only:
+    - master
 before_install:
-  - gem install bundler
+  - gem update --system
+  - gem update bundler
 before_script:
   - rake db:migrate
 script:
   - bundle exec rake test
   - bundle exec rubocop
-rvm:
-  - 2.2.7
-  - 2.3.5
-  - 2.4.2
-gemfile:
-  - test/gemfiles/Gemfile.rails.5.2
-branches:
-  only:
-    - master