diff --git a/README.md b/README.md
index de12e2c..f277297 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ Browsers Requirement
 
 Prerequisite
 ---
-- Node.js 0.10.x or up (test up to 5.2.0)
+- Node.js 4.x or up (test up to 5.2.0)
 - PostgreSQL 9.3.x or 9.4.x
 - MongoDB 3.0.x
 - npm and bower
diff --git a/package.json b/package.json
index d7fc7c9..e46b032 100644
--- a/package.json
+++ b/package.json
@@ -52,6 +52,6 @@
     "reveal.js": "3.2.0"
   },
   "engines": {
-    "node": "0.10.x"
+    "node": ">=4.x"
   }
 }