diff --git a/src/entity/hrms/hrms_training_participant.ts b/src/entity/hrms/hrms_training_participant.ts
index 769c3fd..a213072 100644
--- a/src/entity/hrms/hrms_training_participant.ts
+++ b/src/entity/hrms/hrms_training_participant.ts
@@ -17,6 +17,12 @@ export class HrmsTrainingParticipant {
 	@JoinColumn()
 	employee: HrmsEmployee;
 
+	@Column({
+		nullable: true,
+		length: 512,
+	})
+	certificate_url: string;
+
 	@Column({
 		nullable: false,
 		length: 64,