diff --git a/.travis.yml b/.travis.yml
index 8f4f8e5..8f8b41a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,10 @@
+sudo: false
 language: node_js
 node_js:
   - "0.12"
   - "0.10"
   - "0.8"
+  - "4"
   - "iojs"
 before_install:
   - "npm install -g npm@1.4.x"