diff --git a/.travis.yml b/.travis.yml
index 570290b..b9246b2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ language: ruby
 sudo: false
 
 rvm:
-  - 2.2
+  - 2.2.1
   - 2.1
   - 2.0
   - 1.9