diff --git a/requirements.txt b/requirements.txt
index 24da5e4..1c9c646 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ Flask_Caching==1.4.0
 Quandl==3.4.0
 dash==0.39.0
 dash-daq==0.1.0
-Flask==1.0.2
+Flask==2.3.2
 requests>=2.20.0
 bayesian_optimization==0.6.0
 zipline==1.2.0