diff --git a/package.json b/package.json
index 014af1e..99fd6ed 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,10 @@
   "name": "testcallbackserver",
   "version": "1.0.0",
   "description": "small server to see how login button works",
-  "main": "index.js",
+  "main": "server.js",
+  "engines": {
+    "node": "14.x"
+  },
   "scripts": {
     "build": "node server.js",
     "test": "echo \"Error: no test specified\" && exit 1"