diff --git a/dockercon2020-demo/app/requirements.txt b/dockercon2020-demo/app/requirements.txt
index b6bcf1e..0df283c 100644
--- a/dockercon2020-demo/app/requirements.txt
+++ b/dockercon2020-demo/app/requirements.txt
@@ -1,4 +1,4 @@
-Flask==1.1.1
+Flask==2.3.2
 mysql-connector==2.2.9
 # debugging only
 # ptvsd==4.3.2