diff --git a/.travis.yml b/.travis.yml
index 58006fe81..bb320a16a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,21 +1,21 @@
 language: ruby
 bundler_args: --without development
 script:
   - "bundle exec rake $CHECK"
 notifications:
   email: false
 rvm:
-  - 2.1.1
+  - 2.1.5
   - 2.0.0
   - 1.9.3
 
 env:
   - "CHECK=parallel:spec\\[2\\]"
   - "CHECK=rubocop"
 
 matrix:
   exclude:
     - rvm: 2.0.0
       env: "CHECK=rubocop"
     - rvm: 1.9.3
       env: "CHECK=rubocop"