.travis.yml in formtastic-3.0.0 vs .travis.yml in formtastic-3.1.0.rc1

@@ -9,9 +9,10 @@
 gemfile:
   - gemfiles/rails_3.2.gemfile
   - gemfiles/rails_4.gemfile
   - gemfiles/rails_4.0.4.gemfile
   - gemfiles/rails_4.1.gemfile
+  - gemfiles/rails_4.2.gemfile
   - gemfiles/rails_edge.gemfile
 env:
   - DEFER_GC=false RAILS_EDGE=true
 script: "bundle exec rake spec"
 matrix: