diff --git a/.travis.yml b/.travis.yml
index 9d11c98..2f3fa33 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@ language: ruby
 rvm:
   - 1.9.3
   - 2.0.0
-  - 2.1.2
+  - 2.1.6
   - 2.2.2
   - jruby-19mode