diff --git a/package-lock.json b/package-lock.json
index 65da89b..b950a68 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,8 +9,8 @@
       "version": "1.3.0",
       "license": "MIT",
       "dependencies": {
-        "@modelcontextprotocol/sdk": "^1.6.0",
-        "zod": "^3.24.0"
+        "@modelcontextprotocol/sdk": "^1.29.0",
+        "zod": "^4.4.3"
       },
       "bin": {
         "deploygate-mcp": "dist/index.js"
@@ -488,9 +488,9 @@
       "license": "MIT"
     },
     "node_modules/@modelcontextprotocol/sdk": {
-      "version": "1.27.1",
-      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.27.1.tgz",
-      "integrity": "sha512-sr6GbP+4edBwFndLbM60gf07z0FQ79gaExpnsjMGePXqFcSSb7t6iscpjk9DhFhwd+mTEQrzNafGP8/iGGFYaA==",
+      "version": "1.29.0",
+      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.29.0.tgz",
+      "integrity": "sha512-zo37mZA9hJWpULgkRpowewez1y6ML5GsXJPY8FI0tBBCd77HEvza4jDqRKOXgHNn867PVGCyTdzqpz0izu5ZjQ==",
       "license": "MIT",
       "dependencies": {
         "@hono/node-server": "^1.19.9",
@@ -2724,9 +2724,9 @@
       }
     },
     "node_modules/zod": {
-      "version": "3.25.76",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.4.3.tgz",
+      "integrity": "sha512-ytENFjIJFl2UwYglde2jchW2Hwm4GJFLDiSXWdTrJQBIN9Fcyp7n4DhxJEiWNAJMV1/BqWfW/kkg71UDcHJyTQ==",
       "license": "MIT",
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
diff --git a/package.json b/package.json
index 66dd3d6..b91b648 100644
--- a/package.json
+++ b/package.json
@@ -23,8 +23,8 @@
     "README.md"
   ],
   "dependencies": {
-    "@modelcontextprotocol/sdk": "^1.6.0",
-    "zod": "^3.24.0"
+    "@modelcontextprotocol/sdk": "^1.29.0",
+    "zod": "^4.4.3"
   },
   "devDependencies": {
     "@types/node": "^22.0.0",