diff --git a/package.json b/package.json
index 2348699..94e3eb5 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,9 @@
     "express-useragent": "^1.0.15",
     "js-sha512":"0.8.0"
   },
+  "engines": {
+    "node": "16.x"
+  },
   "repository": {
     "url": "https://github.com/ashpotter/poketube"
   },