.travis.yml in html2rss-0.5.2 vs .travis.yml in html2rss-0.6.0

@@ -7,14 +7,15 @@
   - gem install bundler
 
 bundler_args: "--jobs=3 --retry=3"
 
 rvm:
-  - 2.4.7
-  - 2.5.6
-  - 2.6.4
+  - 2.4.9
+  - 2.5.7
+  - 2.6.5
 
 script:
+  - bundle exec rubocop -F
   - bundle exec rspec
 
 deploy:
   provider: rubygems
   api_key: