diff --git a/package-lock.json b/package-lock.json
index 62bae53..3030fd8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.8.0",
-        "zod": "^3.24.2"
+        "zod": "^4.1.12"
       },
       "bin": {
         "mcp-server": "dist/index.js"
@@ -722,6 +722,24 @@
         "node": ">=18"
       }
     },
+    "node_modules/@modelcontextprotocol/sdk/node_modules/zod": {
+      "version": "3.25.76",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
+      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
+    "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/@nodelib/fs.scandir": {
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -4194,22 +4212,13 @@
       }
     },
     "node_modules/zod": {
-      "version": "3.25.51",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.51.tgz",
-      "integrity": "sha512-TQSnBldh+XSGL+opiSIq0575wvDPqu09AqWe1F7JhUMKY+M91/aGlK4MhpVNO7MgYfHcVCB1ffwAUTJzllKJqg==",
+      "version": "4.1.12",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.1.12.tgz",
+      "integrity": "sha512-JInaHOamG8pt5+Ey8kGmdcAcg3OL9reK8ltczgHTAwNhMys/6ThXHityHxVV2p3fkw/c+MAvBHFVYHFZDmjMCQ==",
       "license": "MIT",
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
       }
-    },
-    "node_modules/zod-to-json-schema": {
-      "version": "3.24.4",
-      "resolved": "https://registry.npmjs.org/zod-to-json-schema/-/zod-to-json-schema-3.24.4.tgz",
-      "integrity": "sha512-0uNlcvgabyrni9Ag8Vghj21drk7+7tp7VTwwR7KxxXXc/3pbXz2PHlDgj3cICahgF1kHm4dExBFj7BXrZJXzig==",
-      "license": "ISC",
-      "peerDependencies": {
-        "zod": "^3.24.1"
-      }
     }
   }
 }
diff --git a/package.json b/package.json
index 3a8f5ea..00f7fd4 100644
--- a/package.json
+++ b/package.json
@@ -46,6 +46,6 @@
   },
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.8.0",
-    "zod": "^3.24.2"
+    "zod": "^4.1.12"
   }
 }