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

@@ -1,8 +1,9 @@
 language: ruby
 rvm: 2.4.2
 gemfile:
   - Gemfile
+  - test/gemfiles/activerecord51.gemfile
   - test/gemfiles/activerecord50.gemfile
 sudo: false
 before_install: gem install bundler
 script: bundle exec rake test
 notifications: