diff --git a/package-lock.json b/package-lock.json
index f8f3bc4..4950329 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "@faker-js/faker": "^10.6.0",
         "commander": "^12.1.0",
-        "zod": "^3.23.8"
+        "zod": "^4.5.4"
       },
       "bin": {
         "apimoq": "dist/cli/index.js"
@@ -1860,9 +1860,9 @@
       }
     },
     "node_modules/zod": {
-      "version": "3.25.76",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+      "version": "4.5.4",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.5.4.tgz",
+      "integrity": "sha512-sC95tT5iHHH9gtpj6A81kh+NEaRAUFN+qlUPDUbRfOMvNf5QCBqsb3WgvnpVtK5Y+4UfA6KqufotuTvMGiTlsA==",
       "license": "MIT",
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
diff --git a/package.json b/package.json
index 458bed2..fee82b6 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
   "dependencies": {
     "@faker-js/faker": "^10.6.0",
     "commander": "^12.1.0",
-    "zod": "^3.23.8"
+    "zod": "^4.5.4"
   },
   "devDependencies": {
     "@types/node": "^22.0.0",