.travis.yml in github_webhook-1.1.1 vs .travis.yml in github_webhook-1.1.2

@@ -1,9 +1,11 @@
 language: ruby
 rvm:
-  - 2.4.2
-  - 2.3.5
-  - 2.2.8
+  - 2.6.3
+  - 2.5.3
+  - 2.4.6
+  - 2.3.7
+  - 2.2.10
 gemfile:
   - gemfiles/rails_4.2.gemfile
   - gemfiles/rails_5.0.gemfile
   - gemfiles/rails_5.1.gemfile
 addons: