diff --git a/requirements.txt b/requirements.txt
index 2a8bc13..8be7ac0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ dash-renderer==1.2.1
 dash-table==4.5.1
 dash-auth==1.3.2
 dash_daq==0.3.1
-flask==1.1.1
+flask==2.2.5
 Flask-Caching==1.7.2
 gunicorn==19.9.0
 pandas==0.25.1