diff --git a/mcp/package-lock.json b/mcp/package-lock.json
index 31e4d56..07fc320 100644
--- a/mcp/package-lock.json
+++ b/mcp/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.12.0",
-        "zod": "^4.5.2"
+        "zod": "^4.5.4"
       },
       "bin": {
         "plonk": "dist/cli.js",
@@ -1562,9 +1562,9 @@
       "license": "ISC"
     },
     "node_modules/zod": {
-      "version": "4.5.2",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-4.5.2.tgz",
-      "integrity": "sha512-XkYXCol10+ba/6F/cueWV+TezUeOqXW0hdeJt5CdXjTYeAgAQg5N03RQdJ80mhfFE72+pblvYMW4wy2Qp4Qbrg==",
+      "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 3299793..3894ac7 100644
--- a/mcp/package.json
+++ b/mcp/package.json
@@ -44,7 +44,7 @@
   },
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.12.0",
-    "zod": "^4.5.2"
+    "zod": "^4.5.4"
   },
   "devDependencies": {
     "@types/node": "^18.19.0",