diff --git a/python/flask/template-site/requirements.txt b/python/flask/template-site/requirements.txt
index e0eea6bd..c4f143e1 100644
--- a/python/flask/template-site/requirements.txt
+++ b/python/flask/template-site/requirements.txt
@@ -1,7 +1,7 @@
 certifi==2022.12.7
 chardet==3.0.4
 Click==7.0
-Flask==1.1.1
+Flask==2.3.2
 idna==2.8
 itsdangerous==1.1.0
 Jinja2==2.10.3