diff --git a/backend/requirements.txt b/backend/requirements.txt
index cfb1b8b..2f4ae97 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,7 +1,7 @@
 certifi==2021.5.30
 dnspython==1.16.0
 eventlet==0.31.1
-greenlet==1.1.0
+greenlet==1.1.1
 python-engineio==3.14.2
 python-socketio==4.6.1
 six==1.16.0