.travis.yml in rb42-videos-1.0.5 vs .travis.yml in rb42-videos-1.0.6

@@ -1,5 +1,8 @@
 sudo: false
 language: ruby
 rvm:
+  - 2.2.5
+  - 2.3.0
+  - 2.4.0
   - 2.5.0
 before_install: gem install bundler -v 1.16.0