.travis.yml in cqm-models-1.1.1.0 vs .travis.yml in cqm-models-2.0.0

@@ -1,10 +1,10 @@
 matrix:
   include:
     - language: ruby
       cache: bundler
       rvm:
-        - 2.4.1
+        - 2.4.6
       services:
         - mongodb
       before_install:
         - "find /home/travis/.rvm/rubies -wholename '*default/bundler-*.gemspec' -delete"
         - rvm @global do gem uninstall bundler -a -x -I || true