diff --git a/roles/releng/files/ftbfs.sh b/roles/releng/files/ftbfs.sh
index d09af72942..3c6b748adb 100644
--- a/roles/releng/files/ftbfs.sh
+++ b/roles/releng/files/ftbfs.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 # A weekly cron job which actually does the items needed.
+# Only run every third week, see https://pagure.io/releng/issue/8915
+test $(($(date +%W) % 3)) -eq 0 || exit 0
 TMPDIR=`mktemp -d /tmp/ftbfs_reminder.XXXXXX` 
 GITREPO=https://pagure.io/releng.git 
 SCRIPT=ftbfs_weekly_reminder.py