diff --git a/.travis.yml b/.travis.yml
index 0570d50..975e73b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ node_js:
   - "0.10"
   - "0.12"
   - "4.2"
+  - "6"
 
 before_install:
   - travis_retry npm install -g npm@2.14.5