diff --git a/TestAppRuna/API/CartController.cs b/TestAppRuna/API/CartController.cs
index f6f8376..fe6e22b 100644
--- a/TestAppRuna/API/CartController.cs
+++ b/TestAppRuna/API/CartController.cs
@@ -15,9 +15,9 @@ namespace TestAppRuna.API
     [ApiController]
     public class CartController : ControllerBase
     {
-        public CartService CartSvc { get; }
+        public ICartService CartSvc { get; }
 
-        public CartController(CartService cartSvc)
+        public CartController(ICartService cartSvc)
         {
             this.CartSvc = cartSvc;
         }
diff --git a/TestAppRuna/Startup.cs b/TestAppRuna/Startup.cs
index 40f72c5..e85f3ed 100644
--- a/TestAppRuna/Startup.cs
+++ b/TestAppRuna/Startup.cs
@@ -35,7 +35,7 @@ namespace TestAppRuna
             services.AddSingleton<WeatherForecastService>();
 
             services.AddScoped<IMathService, MathService>();
-
+            services.AddScoped<ICartService, CartService>();
             services.Configure<AppSettings>(Configuration);
             services.AddScoped<AppSettings>(di => di.GetRequiredService<IOptionsMonitor<AppSettings>>().CurrentValue);