diff --git a/package.json b/package.json
index 88b6dad..3963ace 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "@modelcontextprotocol/sdk": "^1.12.0",
     "commander": "^14.0.2",
     "dayjs": "^1.11.19",
-    "zod": "^3.24.0"
+    "zod": "^4.3.5"
   },
   "devDependencies": {
     "@biomejs/biome": "^2.3.11",