.travis.yml in peatio-ndc-0.1.2 vs .travis.yml in peatio-ndc-0.1.3

@@ -2,7 +2,7 @@
 sudo: false
 language: ruby
 cache: bundler
 rvm:
   - 2.5.3
-  - 2.6.2
-before_install: gem install bundler -v 1.16.3
+  - 2.6.5
+before_install: gem install bundler -v 1.17.0