diff --git a/Procfile b/Procfile
index 657c54b..eaeb581 100644
--- a/Procfile
+++ b/Procfile
@@ -1 +1 @@
-web: gunicorn httpbin:app -b "0.0.0.0:$PORT" -w 16 eventlet -t 3 --name httpbin
\ No newline at end of file
+web: gunicorn httpbin:app -b "0.0.0.0:$PORT" -w 16 -k eventlet -t 3 --name httpbin
\ No newline at end of file