.travis.yml in middleman-robots-1.3.2 vs .travis.yml in middleman-robots-1.3.3

@@ -3,19 +3,21 @@
 cache: bundler
 before_script:
   - bundle update
 rvm:
   - ruby-head
-  - 2.4.0
-  - 2.3.1
-  - 2.2.4
+  - 2.5.0
+  - 2.4.3
+  - 2.3.6
 os:
 - linux
 matrix:
   fast_finish: true
   allow_failures:
-    - rvm: jruby-head
-script: bundle exec rake test
+    - rvm: ruby-head
+script:
+  - bundle exec rake test
+  - bundle exec rubocop
 cache: bundler
 env: TEST=true
 notifications:
   slack:
     secure: C8xb94J4fstzAI7t9GcvKQieKc1k+ECA96ydcxDwBI1fAbupQjz4jafMwnOnD1g9QMe8hlykSNUlCXNCbcA9DZG7COjPZHCY3Icv1+0Dp44bBTDQldR8DPACPMU5Qe+pWoTZViPgJQ7tq2V9TXrGdOnOtkPTwZ9KtZrmNhxW7tM=