diff --git a/apps/api-gateway/src/verification/dto/webhook-proof.dto.ts b/apps/api-gateway/src/verification/dto/webhook-proof.dto.ts
index 960fbbf13..9bb670c53 100644
--- a/apps/api-gateway/src/verification/dto/webhook-proof.dto.ts
+++ b/apps/api-gateway/src/verification/dto/webhook-proof.dto.ts
@@ -41,6 +41,10 @@ export class WebhookPresentationProofDto {
     @IsOptional()
     threadId: string;
 
+    @ApiPropertyOptional()
+    @IsOptional()
+    parentThreadId?: string;
+
     @ApiPropertyOptional()
     @IsOptional()
     presentationId: string;
diff --git a/apps/verification/src/interfaces/verification.interface.ts b/apps/verification/src/interfaces/verification.interface.ts
index fc13bdf66..22bb11ce9 100644
--- a/apps/verification/src/interfaces/verification.interface.ts
+++ b/apps/verification/src/interfaces/verification.interface.ts
@@ -206,6 +206,7 @@ export interface IWebhookProofPresentation {
     connectionId: string;
     presentationId: string;
     threadId: string;
+    parentThreadId?: string;
     autoAcceptProof: string;
     updatedAt: string;
     isVerified: boolean;