.travis.yml in sequel_password-0.2.1 vs .travis.yml in sequel_password-0.2.2

@@ -1,8 +1,10 @@
 language: ruby
-cache: bundler
 rvm:
-  - 2.2.1
-sudo: false
-script: bundle exec rspec
+  - 2.3
+  - 2.4
+  - 2.5
+script:
+  - bundle exec rubocop
+  - bundle exec rspec
 notifications:
   email: false