diff --git a/package.json b/package.json
index bbdef8a..e165d20 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "@modelcontextprotocol/sdk": "^1.17.5",
     "commander": "^14.0.0",
     "undici": "^6.6.3",
-    "zod": "^3.24.2"
+    "zod": "^4.1.5"
   },
   "devDependencies": {
     "@types/node": "^22.13.14",