diff --git a/util/MsSql/backup-db.sh b/util/MsSql/backup-db.sh
index cef5e22a2d..1d65664111 100644
--- a/util/MsSql/backup-db.sh
+++ b/util/MsSql/backup-db.sh
@@ -1,3 +1,7 @@
 #!/bin/sh
 
+# Delete backup files older than 30 days
+find /etc/bitwarden/mssql/backups/ -type f -name '*.BAK' -mindepth 1 -mtime +30 -delete
+
+# Do a new backup
 /opt/mssql-tools/bin/sqlcmd -S localhost -U sa -P ${SA_PASSWORD} -i /backup-db.sql