diff --git a/.travis.yml b/.travis.yml
index 061af0f..595f556 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,8 @@ node_js:
   - "0.12"
   - "0.10"
   - "4"
+  - "5"
+  - "6"
 script:
   - npm test
   - npm rm webpack && npm i webpack@beta || true