diff --git a/.travis.yml b/.travis.yml
index 88838c3..99037dc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: node_js
 node_js:
-  - "4.1"
+  - "6"
 after_script:
   - npm run coveralls