diff --git a/conf/db/upgrade/V5.5.12__schema.sql b/conf/db/upgrade/V5.5.12__schema.sql
new file mode 100644
index 0000000000..83ca361ec0
--- /dev/null
+++ b/conf/db/upgrade/V5.5.12__schema.sql
@@ -0,0 +1,13 @@
+UPDATE `zstack`.`ActiveAlarmTemplateVO`
+SET `metricName` = 'CPUUsedUtilization'
+WHERE `uuid` = 'c9e6cdca107140bea62b4ca919ff9e88'
+  AND `metricName` = 'VRouterCPUAverageUsedUtilization';
+
+UPDATE `zstack`.`AlarmVO`
+SET `metricName` = 'CPUUsedUtilization'
+WHERE `uuid` IN (
+    SELECT `alarmUuid` FROM `zstack`.`ActiveAlarmVO`
+    WHERE `templateUuid` = 'c9e6cdca107140bea62b4ca919ff9e88'
+)
+AND `metricName` = 'VRouterCPUAverageUsedUtilization';
+