.travis.yml in payture-cheques-0.1.4 vs .travis.yml in payture-cheques-0.1.5

@@ -1,5 +1,5 @@
 sudo: false
 language: ruby
 rvm:
-  - 2.3.2
-before_install: gem install bundler -v 1.14.6
+  - 2.6.3
+before_install: gem install bundler -v 2.0.2