diff --git a/.travis.yml b/.travis.yml
index 0f65db5b..b91a80e9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ node_js:
     - "0.12"
     - "0.10"
     - "4"
+    - "6"
 matrix:
   fast_finish: true
 sudo: false