.travis.yml in useragent_api-0.1.1 vs .travis.yml in useragent_api-0.1.2

@@ -1,7 +1,9 @@
 sudo: false
 language: ruby
 rvm:
-  - 2.3.0
-  - 2.4.0
-before_install: gem install bundler -v 1.14.6
+  - 2.2.9
+  - 2.3.6
+  - 2.4.3
+  - 2.5.0
+before_install: gem install bundler -v 1.16.1
 before_script: bundle exec rubocop