diff --git a/requirements.txt b/requirements.txt
index 951f099..b3579d2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 click==7.1.2
-Flask==1.1.2
+Flask==2.3.2
 Flask-SocketIO==4.3.1
 gevent==20.6.2
 gevent-websocket==0.10.1