diff --git a/shared-code/src/db-types.ts b/shared-code/src/db-types.ts
index f3d1807..202d61d 100644
--- a/shared-code/src/db-types.ts
+++ b/shared-code/src/db-types.ts
@@ -62,14 +62,18 @@ export enum BillsNotificationStatus {
     /** Bills notification has been sent */
     Sent = "sent",
     /** Sending of bills notification failed */
-    Failed = "failed"
+    Failed = "failed",
+    /** Email to tenant has bounced (set by webhook) */
+    Bounced = "bounced"
 }
 
 export enum RentNotificationStatus {
     /** notification has been sent */
     Sent = "sent",
     /** Sending of notification failed */
-    Failed = "failed"
+    Failed = "failed",
+    /** Email to tenant has bounced (set by webhook) */
+    Bounced = "bounced"
 }
 
 /** bill object in the form returned by MongoDB */