diff --git a/mcp/package-lock.json b/mcp/package-lock.json
index 204bf76..968ed10 100644
--- a/mcp/package-lock.json
+++ b/mcp/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.12.0",
-        "zod": "^3.23.8"
+        "zod": "^4.5.4"
       },
       "bin": {
         "vue-skills-mcp": "index.mjs"
@@ -1157,9 +1157,9 @@
       "license": "ISC"
     },
     "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/mcp/package.json b/mcp/package.json
index a0a8149..5ed8fc5 100644
--- a/mcp/package.json
+++ b/mcp/package.json
@@ -29,6 +29,6 @@
   },
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.12.0",
-    "zod": "^3.23.8"
+    "zod": "^4.5.4"
   }
 }