diff --git a/.travis.yml b/.travis.yml
index 3a0c68d..6104086 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,8 @@
 sudo: false
 language: node_js
 node_js:
-- '0.10'
-- '0.11'
-- '0.12'
-- iojs
+  - 4
+  - 6
 before_script:
 - npm config set coverage true
 after_success:
diff --git a/package.json b/package.json
index db00c34..540cced 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "mocha": "^3.0.0"
   },
   "engines": {
-    "node": ">=0.10.0",
+    "node": ">= 4",
     "npm": ">=1.3.7"
   },
   "license": "MIT"