.travis.yml in blurhash-0.1.2 vs .travis.yml in blurhash-0.1.3

@@ -1,5 +1,5 @@
 sudo: false
 language: ruby
 rvm:
-  - 2.4.2
-before_install: gem install bundler -v 1.16.0
+  - 2.6.1
+before_install: gem install bundler -v 2.0.1