.travis.yml in mikoshi-0.6.0 vs .travis.yml in mikoshi-0.6.1

@@ -4,8 +4,9 @@
 language: ruby
 rvm:
   - 2.3.4
   - 2.4.1
   - ruby-head
-before_install: gem install bundler -v 1.14.3
+before_install: gem install bundler
 script:
   - bundle exec rspec
+  - bundle exec rubocop