diff --git a/.travis.yml b/.travis.yml
index 0456315..67a775b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,10 @@
 language: node_js
 node_js:
+    - "stable"
+    - "5"
     - "4"
     - "4.3"
 notifications:
     email: false
+before_script: npm install
 after_success: npm run coverage