diff --git a/app.js b/app.js
index 3798f0e..8ee8377 100644
--- a/app.js
+++ b/app.js
@@ -56,4 +56,4 @@ app.use(express.json());
 
 // listen to port
 const PORT = process.env.PORT || 5000;
-app.listen(PORT, () => console.log('Server started and running on port ' + PORT));
+app.listen(PORT, '0.0.0.0', () => console.log('Server started and running on port ' + PORT));