diff --git a/requirements.txt b/requirements.txt
index 4db8e30..356f590 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ elasticsearch==7.11.0
 flask==1.1.2
 gevent-websocket==0.10.1
 gevent==21.1.2
-greenlet==1.0.0 ; platform_python_implementation == 'CPython'
+greenlet==1.1.0 ; platform_python_implementation == 'CPython'
 idna==2.10
 importlib-metadata==3.7.2 ; python_version < '3.8'
 itsdangerous==1.1.0