diff --git a/.travis.yml b/.travis.yml
index 2b53ba9..7abd440 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,9 @@
 language: node_js
 node_js:
   - '0.10'
-  - '0.11'
+  - '0.12'
+  - '4'
+  - '6'
 script:
   - npm test
 branches: