diff --git a/utils/warranty_expire/warranty_expire.sql b/utils/warranty_expire/warranty_expire.sql
new file mode 100644
index 00000000..c1b9a089
--- /dev/null
+++ b/utils/warranty_expire/warranty_expire.sql
@@ -0,0 +1 @@
+update warranty set status='expired' where date_expire is not null and date_expire < now() - interval 1 day;