.travis.yml in imdb_term-1.0.2 vs .travis.yml in imdb_term-1.0.4

@@ -1,5 +1,5 @@
 sudo: false
 language: ruby
 rvm:
   - 2.4.0
-before_install: gem install bundler -v 1.14.4
+before_install: gem install bundler -v 2.1