diff --git a/terraform/modules/build/notify.py b/terraform/modules/build/notify.py
index d4658bc0c6..7bd70caa23 100644
--- a/terraform/modules/build/notify.py
+++ b/terraform/modules/build/notify.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3.11
+#!/usr/bin/python3.9
 import json
 import logging
 import urllib3
diff --git a/terraform/modules/discord_sysdig_webhook.tf b/terraform/modules/discord_sysdig_webhook.tf
index c6d11e5d3d..d352537dbe 100644
--- a/terraform/modules/discord_sysdig_webhook.tf
+++ b/terraform/modules/discord_sysdig_webhook.tf
@@ -47,7 +47,7 @@ resource "aws_lambda_function" "discord_notify" {
   s3_bucket = aws_s3_bucket.lambda_bucket.id
   s3_key = aws_s3_object.lambda_notification.key
 
-  runtime = "python3.11"
+  runtime = "python3.9"
   handler = "notify.lambda_handler"
 
   layers        = ["arn:aws:lambda:ca-central-1:017000801446:layer:AWSLambdaPowertoolsPython:36"]