.travis.yml in smart_error-1.0.2 vs .travis.yml in smart_error-1.0.3

@@ -1,5 +1,5 @@
 sudo: false
 language: ruby
 rvm:
   - 2.4.1
-before_install: gem install bundler -v 1.16.0
+before_install: gem install bundler -v 1.17.3