diff --git a/Day13/Functions/requirements.txt b/Day13/Functions/requirements.txt
index 8dfffb9..afb8a3c 100644
--- a/Day13/Functions/requirements.txt
+++ b/Day13/Functions/requirements.txt
@@ -2,7 +2,7 @@ absl-py==0.8.1
 astor==0.8.1
 azure-functions==1.0.3
 Click==7.0
-Flask==1.1.1
+Flask==2.3.2
 gast==0.2.2
 google-pasta==0.1.8
 grpcio==1.25.0