diff --git a/.travis.yml b/.travis.yml
index 1683694..d431fa4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,5 +3,6 @@ language: node_js
 node_js:
   - "0.10"
   - "0.12"
-  - "iojs"
+  - "4"
+  - "6"