diff --git a/src/TaxBaik.Web/Program.cs b/src/TaxBaik.Web/Program.cs
index 5e7bc0f..19994da 100644
--- a/src/TaxBaik.Web/Program.cs
+++ b/src/TaxBaik.Web/Program.cs
@@ -56,7 +56,10 @@ builder.Host.UseSerilog((context, config) =>
 
 // Controllers + FastEndpoints (API-First)
 builder.Services.AddControllers();
-builder.Services.AddFastEndpoints();
+builder.Services.AddFastEndpoints(config =>
+{
+    config.Assemblies = new[] { typeof(Program).Assembly };
+});
 builder.Services.AddProblemDetails();
 builder.Services.AddHealthChecks();
 builder.Services.AddRateLimiter(options =>