.travis.yml in wamp-worker-0.1.0 vs .travis.yml in wamp-worker-0.1.1

@@ -1,5 +1,5 @@
 sudo: false
 language: ruby
 rvm:
   - 2.3.0
-before_install: gem install bundler -v 1.13.2
+before_install: gem install bundler -v 1.17