diff --git a/.github/workflows/mail_notification.yml b/.github/workflows/mail_notification.yml
index 415ac084e..e796e2f18 100644
--- a/.github/workflows/mail_notification.yml
+++ b/.github/workflows/mail_notification.yml
@@ -4,7 +4,7 @@ name: Mailing list
 on:
   push:
     branches:
-      - 3.8.x
+      - 3.9.x
       - master
 
 jobs: