diff --git a/package.json b/package.json
index 0c169b8..8847f24 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   },
   "dependencies": {
     "ejs": "*",
-    "express": "3.2.0",
+    "express": "4.0.0",
     "portfinder": "^0.2.1"
   },
   "devDependencies": {