diff --git a/package-lock.json b/package-lock.json
index 59c6f0f..6973006 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,7 @@
         "fastify": "^5.12.1",
         "node-cache": "^5.1.2",
         "undici": "^8.10.0",
-        "zod": "^3.24.2"
+        "zod": "^4.5.1"
       },
       "devDependencies": {
         "@eslint/js": "^9.22.0",
@@ -5301,9 +5301,9 @@
       }
     },
     "node_modules/zod": {
-      "version": "3.25.76",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+      "version": "4.5.1",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.5.1.tgz",
+      "integrity": "sha512-P3GqeAEOEDqKvafVGLezbg+39YW/ze4xrD4qdS0adOY8eoI3zfjv1PQM4UwQzgT8mZKXEbqtVt8K+ZKGqkMFKg==",
       "license": "MIT",
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
diff --git a/package.json b/package.json
index 0e28ad0..5446354 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "fastify": "^5.12.1",
     "node-cache": "^5.1.2",
     "undici": "^8.10.0",
-    "zod": "^3.24.2"
+    "zod": "^4.5.1"
   },
   "devDependencies": {
     "@eslint/js": "^9.22.0",