.travis.yml in beespew-1.0.1 vs .travis.yml in beespew-2.0.0

@@ -1,11 +1,10 @@
 language: ruby
 rvm:
-- 2.3.0
-- 2.2.3
+- 2.4.0
 gemfile:
-- gemfiles/rails_4.2.gemfile
 - gemfiles/rails_5.0.gemfile
+- gemfiles/rails_5.1.gemfile
 cache: bundler
 script:
 - bundle exec rspec spec
 notifications:
   webhooks: