diff --git a/.travis.yml b/.travis.yml
index ffbd617..c480a20 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,8 +5,8 @@ language: ruby
 rvm:
   - 1.9.3
   - 2.0.0
-  - 2.1.0
-  - 2.2.0
+  - 2.1.6
+  - 2.2.2
   - jruby
   - rbx-2
 notifications: