diff --git a/Procfile b/Procfile
index 8001d1a..191614f 100644
--- a/Procfile
+++ b/Procfile
@@ -1 +1 @@
-web: gunicorn app:app
\ No newline at end of file
+web: gunicorn app:app -b 0.0.0.0:$PORT
\ No newline at end of file