.travis.yml in rubycritic-2.4.1 vs .travis.yml in rubycritic-2.5.0

@@ -11,6 +11,7 @@
   allow_failures:
     - rvm: rbx-2
     - rvm: jruby
   fast_finish: true
 
+before_install: "gem update bundler"
 script: "bundle exec rake"