diff --git a/mcp-client-typescript/package.json b/mcp-client-typescript/package.json
index 52dd2ea..9bff9dd 100644
--- a/mcp-client-typescript/package.json
+++ b/mcp-client-typescript/package.json
@@ -17,5 +17,8 @@
   },
   "devDependencies": {
     "@types/node": "^22.13.4"
+  },
+  "engines": {
+    "node": ">=16.0.0"
   }
 }