diff --git a/requirements.txt b/requirements.txt
index 3259396..e0e70e7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ certifi==2020.6.20
 cffi==1.14.2
 chardet==3.0.4
 click==7.1.2
-Flask==1.1.2
+Flask==2.3.2
 Flask-SocketIO==4.3.1
 gast==0.3.3
 gevent==20.6.2