diff --git a/EnvelopeGenerator.Application/Common/Dto/EnvelopeDto.cs b/EnvelopeGenerator.Application/Common/Dto/EnvelopeDto.cs
index 029d621a..01c24251 100644
--- a/EnvelopeGenerator.Application/Common/Dto/EnvelopeDto.cs
+++ b/EnvelopeGenerator.Application/Common/Dto/EnvelopeDto.cs
@@ -2,6 +2,7 @@
 using DigitalData.UserManager.Application.DTOs.User;
 using EnvelopeGenerator.Domain.Constants;
 using EnvelopeGenerator.Domain.Entities;
+using EnvelopeGenerator.Domain.Interfaces;
 using Microsoft.AspNetCore.Mvc;
 
 namespace EnvelopeGenerator.Application.Common.Dto;
@@ -10,7 +11,7 @@ namespace EnvelopeGenerator.Application.Common.Dto;
 /// 
 /// </summary>
 [ApiExplorerSettings(IgnoreApi = true)]
-public record EnvelopeDto
+public record EnvelopeDto : IEnvelope
 {
 	/// <summary>
 	///