diff --git a/event-handler/requirements.txt b/event-handler/requirements.txt
index abfe1c06..56738442 100644
--- a/event-handler/requirements.txt
+++ b/event-handler/requirements.txt
@@ -1,4 +1,4 @@
-Flask==2.3.2
+Flask==3.0.3
 gunicorn==20.1.0
 google-cloud-pubsub==2.20.1
 google-cloud-secret-manager==0.1.0