diff --git a/.travis.yml b/.travis.yml
index fc30ccf..8e2a51e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 sudo: false
 language: node_js
 node_js:
+  - '6'
   - '5'
   - '4'
 after_success: npm run coveralls