.travis.yml in clearance-1.4.2 vs .travis.yml in clearance-1.4.3

@@ -2,10 +2,10 @@
   - ruby
 
 rvm:
   - 1.9.3
   - 2.0.0
-  - 2.1.1
+  - 2.1.3
 
 install:
   - "travis_retry bundle install"
   - "bundle exec appraisal generate"
   - "travis_retry bundle exec appraisal install"