diff --git a/.travis.yml b/.travis.yml
index 50de5bf..92cd7e1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: ruby
 rvm:
   - 2.0.0
-  - 2.1.6
+  - 2.1.7
   - 2.2.3
   - jruby-19mode