diff --git a/package-lock.json b/package-lock.json
index 6abbb47..96a0425 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "express": "^5.2.1",
         "nanoid": "^5.0.7",
         "ws": "^8.18.0",
-        "zod": "^3.23.8"
+        "zod": "^4.4.3"
       },
       "devDependencies": {
         "@eslint/js": "^9.39.4",
@@ -4391,9 +4391,9 @@
       }
     },
     "node_modules/zod": {
-      "version": "3.25.76",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.4.3.tgz",
+      "integrity": "sha512-ytENFjIJFl2UwYglde2jchW2Hwm4GJFLDiSXWdTrJQBIN9Fcyp7n4DhxJEiWNAJMV1/BqWfW/kkg71UDcHJyTQ==",
       "license": "MIT",
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
diff --git a/package.json b/package.json
index f663d0b..7342b97 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "express": "^5.2.1",
     "nanoid": "^5.0.7",
     "ws": "^8.18.0",
-    "zod": "^3.23.8"
+    "zod": "^4.4.3"
   },
   "devDependencies": {
     "@eslint/js": "^9.39.4",