diff --git a/package-lock.json b/package-lock.json
index e7082f4..0c20aef 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2430,9 +2430,9 @@
       }
     },
     "node_modules/@modelcontextprotocol/sdk": {
-      "version": "1.22.0",
-      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.22.0.tgz",
-      "integrity": "sha512-VUpl106XVTCpDmTBil2ehgJZjhyLY2QZikzF8NvTXtLRF1CvO5iEE2UNZdVIUer35vFOwMKYeUGbjJtvPWan3g==",
+      "version": "1.23.0",
+      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.23.0.tgz",
+      "integrity": "sha512-MCGd4K9aZKvuSqdoBkdMvZNcYXCkZRYVs/Gh92mdV5IHbctX9H9uIvd4X93+9g8tBbXv08sxc/QHXTzf8y65bA==",
       "license": "MIT",
       "dependencies": {
         "ajv": "^8.17.1",
@@ -2446,18 +2446,22 @@
         "express-rate-limit": "^7.5.0",
         "pkce-challenge": "^5.0.0",
         "raw-body": "^3.0.0",
-        "zod": "^3.23.8",
-        "zod-to-json-schema": "^3.24.1"
+        "zod": "^3.25 || ^4.0",
+        "zod-to-json-schema": "^3.25.0"
       },
       "engines": {
         "node": ">=18"
       },
       "peerDependencies": {
-        "@cfworker/json-schema": "^4.1.1"
+        "@cfworker/json-schema": "^4.1.1",
+        "zod": "^3.25 || ^4.0"
       },
       "peerDependenciesMeta": {
         "@cfworker/json-schema": {
           "optional": true
+        },
+        "zod": {
+          "optional": false
         }
       }
     },
@@ -2483,15 +2487,6 @@
       "integrity": "sha512-NM8/P9n3XjXhIZn1lLhkFaACTOURQXjWhV4BA/RnOv8xvgqtqpAX9IO4mRQxSx1Rlo4tqzeqb0sOlruaOy3dug==",
       "license": "MIT"
     },
-    "node_modules/@modelcontextprotocol/sdk/node_modules/zod-to-json-schema": {
-      "version": "3.24.6",
-      "resolved": "https://registry.npmjs.org/zod-to-json-schema/-/zod-to-json-schema-3.24.6.tgz",
-      "integrity": "sha512-h/z3PKvcTcTetyjl1fkj79MHNEjm+HpD6NXheWjzOekY7kV+lwDYnHw+ivHkijnCSMz1yJaWBD9vu/Fcmk+vEg==",
-      "license": "ISC",
-      "peerDependencies": {
-        "zod": "^3.24.1"
-      }
-    },
     "node_modules/@mswjs/interceptors": {
       "version": "0.39.5",
       "resolved": "https://registry.npmjs.org/@mswjs/interceptors/-/interceptors-0.39.5.tgz",
@@ -8483,14 +8478,23 @@
       }
     },
     "node_modules/zod": {
-      "version": "3.25.76",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+      "version": "4.1.13",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.1.13.tgz",
+      "integrity": "sha512-AvvthqfqrAhNH9dnfmrfKzX5upOdjUVJYFqNSlkmGf64gRaTzlPwz99IHYnVs28qYAybvAlBV+H7pn0saFY4Ig==",
       "license": "MIT",
       "peer": true,
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
       }
+    },
+    "node_modules/zod-to-json-schema": {
+      "version": "3.25.0",
+      "resolved": "https://registry.npmjs.org/zod-to-json-schema/-/zod-to-json-schema-3.25.0.tgz",
+      "integrity": "sha512-HvWtU2UG41LALjajJrML6uQejQhNJx+JBO9IflpSja4R03iNWfKXrj6W2h7ljuLyc1nKS+9yDyL/9tD1U/yBnQ==",
+      "license": "ISC",
+      "peerDependencies": {
+        "zod": "^3.25 || ^4"
+      }
     }
   }
 }