diff --git a/package-lock.json b/package-lock.json
index 0b9eaa3..0463f88 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "@askalf/strongroom": "^0.5.0",
         "@askalf/truecopy": "git+https://github.com/askalf/truecopy.git#32638be89127f8aa9922b8add02843dac7bc7cce",
         "@modelcontextprotocol/sdk": "^1.30.0",
-        "zod": "^4.5.4"
+        "zod": "^4.6.2"
       },
       "bin": {
         "oys-mcp": "bin/oys-mcp.mjs"
@@ -1218,9 +1218,9 @@
       "license": "ISC"
     },
     "node_modules/zod": {
-      "version": "4.5.4",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-4.5.4.tgz",
-      "integrity": "sha512-sC95tT5iHHH9gtpj6A81kh+NEaRAUFN+qlUPDUbRfOMvNf5QCBqsb3WgvnpVtK5Y+4UfA6KqufotuTvMGiTlsA==",
+      "version": "4.6.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.6.2.tgz",
+      "integrity": "sha512-lh5RCAGFa1Cm2hjtNwLQhSs/AsqdWnTQaBER9fEwN/88pSh7KOtJavtBx/0VlkN/uFd61SwYmljLMDAsHlvzBQ==",
       "license": "MIT",
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
diff --git a/package.json b/package.json
index 6357852..5aa2890 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "@askalf/truecopy": "git+https://github.com/askalf/truecopy.git#32638be89127f8aa9922b8add02843dac7bc7cce",
     "@askalf/strongroom": "^0.5.0",
     "@modelcontextprotocol/sdk": "^1.30.0",
-    "zod": "^4.5.4"
+    "zod": "^4.6.2"
   },
   "keywords": [
     "ai-agents",