diff --git a/cloud_functions/requirements.txt b/cloud_functions/requirements.txt
index c89882b..7a1d4f9 100644
--- a/cloud_functions/requirements.txt
+++ b/cloud_functions/requirements.txt
@@ -1,4 +1,4 @@
 firebase-admin==3.0.0
 requests==2.32.0
 google-cloud-kms==1.2.1
-flask-cors==3.0.9
+flask-cors==6.0.0