diff --git a/event_handler/requirements.txt b/event_handler/requirements.txt
index a30bdb50..0af2863a 100644
--- a/event_handler/requirements.txt
+++ b/event_handler/requirements.txt
@@ -1,4 +1,4 @@
-Flask==1.1.1
+Flask==2.3.2
 gunicorn==19.9.0
 google-cloud-pubsub==1.1.0
 google-cloud-secret-manager==0.1.0
\ No newline at end of file