diff --git a/src/emails/receiving/interfaces/get-receiving-email.interface.ts b/src/emails/receiving/interfaces/get-receiving-email.interface.ts
index 6e7ce186..40ff303a 100644
--- a/src/emails/receiving/interfaces/get-receiving-email.interface.ts
+++ b/src/emails/receiving/interfaces/get-receiving-email.interface.ts
@@ -20,11 +20,11 @@ export interface GetReceivingEmailResponseSuccess {
   } | null;
   attachments: Array<{
     id: string;
-    filename: string;
+    filename: string | null;
     size: number;
     content_type: string;
-    content_id: string;
-    content_disposition: string;
+    content_id: string | null;
+    content_disposition: string | null;
   }>;
 }
 
diff --git a/src/webhooks/interfaces/webhook-event.interface.ts b/src/webhooks/interfaces/webhook-event.interface.ts
index 51673605..86789359 100644
--- a/src/webhooks/interfaces/webhook-event.interface.ts
+++ b/src/webhooks/interfaces/webhook-event.interface.ts
@@ -52,10 +52,10 @@ interface EmailSuppressed {
 
 interface ReceivedEmailAttachment {
   id: string;
-  filename: string;
+  filename: string | null;
   content_type: string;
-  content_disposition: string;
-  content_id?: string;
+  content_disposition: string | null;
+  content_id: string | null;
 }
 
 interface ReceivedEmailEventData {