.travis.yml in hedgelog-0.1.11 vs .travis.yml in hedgelog-0.1.12

@@ -1,7 +1,10 @@
 language: ruby
 cache: bundler
 rvm: 2.4
+before_install:
+  - gem update --system
+  - gem install bundler
 script:
 - bundle exec bundle-audit update && bundle exec bundle-audit check
 - bundle exec rspec
 - bundle exec rubocop lib spec
 deploy: