.travis.yml in acts_as_hashids-0.1.0 vs .travis.yml in acts_as_hashids-0.1.1

@@ -1,13 +1,16 @@
 language: ruby
 sudo: required
 rvm:
-  - 2.1.0
-  - 2.2.0
+  - 2.1
+  - 2.2
   - 2.3.0
 cache: bundler
+install:
+  - 'gem install bundler'
+  - 'bundle install --jobs=3 --retry=3'
 script:
-  - bundle exec rake
+  - 'bundle exec rake'
 services:
   - docker
 notifications:
   email: false