diff --git a/app/package.json b/app/package.json
index 95210ad8..8783893e 100644
--- a/app/package.json
+++ b/app/package.json
@@ -64,7 +64,7 @@
     "y-indexeddb": "^9.0.12",
     "y-webrtc": "^10.3.0",
     "yjs": "^13.6.15",
-    "zod": "^3.23.8"
+    "zod": "^4.0.0"
   },
   "devDependencies": {
     "@tailwindcss/vite": "^4.1.10",