diff --git a/.travis.yml b/.travis.yml
index ffb8b39..f83d953 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,3 +4,5 @@ node_js:
   - iojs
   - "0.12"
   - "0.10"
+  - "4.0"
+  - "4.1"