diff --git a/requirements.txt b/requirements.txt
index f2ebdfc..b18106b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 Click==7.0
-Flask==1.1.2
+Flask==2.3.2
 Flask-Session==0.3.1
 Flask-SocketIO==4.2.1
 gevent==1.4.0