diff --git a/cloud_functions/requirements.txt b/cloud_functions/requirements.txt
index 65b1c0c2..00e77af6 100644
--- a/cloud_functions/requirements.txt
+++ b/cloud_functions/requirements.txt
@@ -1,4 +1,4 @@
-Flask==2.0.2
+Flask==2.3.2
 google-cloud-datastore==1.12.0
 google-cloud-pubsub==2.7.0
 google-auth==2.0.0