diff --git a/src/types/metrics.d.ts b/src/types/metrics.d.ts
index bc5253f..7485fda 100644
--- a/src/types/metrics.d.ts
+++ b/src/types/metrics.d.ts
@@ -29,6 +29,7 @@ export interface OrderMetricsSummary {
   count: number
   total_value: number
   total_discount: number
+  updated_at: string
 }
 
 export interface OrderCountTimeSeries {