diff --git a/backend/src/Modules/Conversations/Application/Chats/LeaveOrDelete/LeaveOrDeleteChat.cs b/backend/src/Modules/Conversations/Application/Chats/LeaveOrDelete/LeaveOrDeleteChat.cs
index 59e79a5..aadf4a8 100644
--- a/backend/src/Modules/Conversations/Application/Chats/LeaveOrDelete/LeaveOrDeleteChat.cs
+++ b/backend/src/Modules/Conversations/Application/Chats/LeaveOrDelete/LeaveOrDeleteChat.cs
@@ -4,6 +4,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using Knot.Contracts.Conversations.Application.Abstractions;
 using Knot.Contracts.Conversations.Domain;
+using Knot.Contracts.Messaging.Application.Abstractions;
 using Knot.Modules.Conversations.Infrastructure.SignalR;
 using Knot.Shared.Kernel;
 using Knot.Shared.Kernel.Storage;