diff --git a/application/single_app/requirements.txt b/application/single_app/requirements.txt
index 6a738388..8195fa9c 100644
--- a/application/single_app/requirements.txt
+++ b/application/single_app/requirements.txt
@@ -1,7 +1,7 @@
 # requirements.txt
 pandas==2.2.3
 azure-monitor-query==1.4.1
-Flask==2.2.5
+Flask==3.1.3
 Flask-WTF==1.2.1
 gunicorn
 Werkzeug==3.1.5