diff --git a/.travis.yml b/.travis.yml
index 7712720..a9aa8f5 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,7 @@
 language: node_js
 
 node_js:
-  - 4.0
   - 4
-  - 5
+  - 6
 
 sudo: false