diff --git a/package-lock.json b/package-lock.json
index b3989a9..17dc3b9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,11 +7,11 @@
 		"": {
 			"name": "@y2-intel/mcp",
 			"version": "0.1.0",
-			"license": "UNLICENSED",
+			"license": "Apache-2.0",
 			"dependencies": {
 				"@modelcontextprotocol/sdk": "^1.29.0",
 				"yaml": "^2.9.0",
-				"zod": "^3.25.76"
+				"zod": "^4.4.3"
 			},
 			"bin": {
 				"y2-mcp": "dist/index.js"
@@ -1730,9 +1730,9 @@
 			}
 		},
 		"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 53d4e3c..e969c34 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
 	"dependencies": {
 		"@modelcontextprotocol/sdk": "^1.29.0",
 		"yaml": "^2.9.0",
-		"zod": "^3.25.76"
+		"zod": "^4.4.3"
 	},
 	"devDependencies": {
 		"@types/node": "^26.0.1",