.travis.yml in curation_concerns-1.3.3 vs .travis.yml in curation_concerns-1.4.0

@@ -4,10 +4,12 @@
 rvm:
   - 2.3.1
 env:
   global:
   - NOKOGIRI_USE_SYSTEM_LIBRARIES=true
-  - RAILS_VERSION=4.2.7
+  matrix:
+    - RAILS_VERSION=4.2.7
+    - RAILS_VERSION=5.0.0
 notifications:
   irc:
     channels:
       - "irc.freenode.org#projecthydra"
     template: