diff --git a/package.json b/package.json
index c850e6b..27a4b95 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "next-app-ts",
   "private": true,
   "scripts": {
-    "dev": "next dev -H 0.0.0.0",
+    "dev": "next dev -H 0.0.0.0 -p 4121",
     "build": "next build",
     "start": "next start",
     "export": "next export",