diff --git a/.travis.yml b/.travis.yml
index 4840013..c7b06e7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,12 @@ notifications:
   email: true
 node_js:
   - stable
+  - 5
   - 4
+  - 0.12
+  - 0.10
+before_install:
+  - npm install -g npm@latest
 before_script:
   - npm prune
 after_success: