.travis.yml in middleman-robots-1.2.0 vs .travis.yml in middleman-robots-1.2.1

@@ -1,18 +1,17 @@
 language: ruby
 sudo: false
 rvm:
-- ruby-head
-- jruby-head
-- 2.2
-- 2.1
-- 2.0
+  - ruby-head
+  - 2.3.1
+  - 2.2.4
+  - 2.1
+  - 2.0
 os:
 - linux
 matrix:
   fast_finish: true
   allow_failures:
-  - rvm: ruby-head
   - rvm: jruby-head
 script: bundle exec rake test
 cache: bundler
 env: TEST=true
 notifications: