diff --git a/Svrnty.Sample/Program.cs b/Svrnty.Sample/Program.cs
index 94408b0..c9b9246 100644
--- a/Svrnty.Sample/Program.cs
+++ b/Svrnty.Sample/Program.cs
@@ -5,6 +5,7 @@ using Svrnty.CQRS.Grpc;
 using Svrnty.Sample;
 using Svrnty.CQRS.MinimalApi;
 using Svrnty.CQRS.DynamicQuery;
+using Svrnty.CQRS.Abstractions;
 
 var builder = WebApplication.CreateBuilder(args);