diff --git a/.travis.yml b/.travis.yml
index bcf6c98bc..91eedc59c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,8 @@ language: node_js
 node_js:
   - "0.10"
   - "0.12"
+  - "4"
+  - "5"
   - "node"
 before_script:
   - git config --global user.name 'Travis-CI'