diff --git a/package.json b/package.json
index 60c204ea0f..6238df4011 100644
--- a/package.json
+++ b/package.json
@@ -7,10 +7,10 @@
     "start": "node index.js"
   },
   "dependencies": {
-    "express": "^4.0.0"
+    "express": "^4.13.3"
   },
   "engines": {
-    "node": "0.12.2"
+    "node": "4.0.0"
   },
   "repository": {
     "type": "git",