diff --git a/.github/workflows/dotnetcore.yml b/.github/workflows/dotnetcore.yml
index d5b7ee8..3a83f96 100644
--- a/.github/workflows/dotnetcore.yml
+++ b/.github/workflows/dotnetcore.yml
@@ -12,7 +12,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: '7.0.x'
+        dotnet-version: '8.0.x'
         include-prerelease: true
 
     - name: Build with dotnet
diff --git a/src/ApplicationCore/Specifications/BasketWithItemsSpecification.cs b/src/ApplicationCore/Specifications/BasketWithItemsSpecification.cs
index 015ca31..d597146 100644
--- a/src/ApplicationCore/Specifications/BasketWithItemsSpecification.cs
+++ b/src/ApplicationCore/Specifications/BasketWithItemsSpecification.cs
@@ -3,7 +3,7 @@ using Microsoft.eShopWeb.ApplicationCore.Entities.BasketAggregate;
 
 namespace Microsoft.eShopWeb.ApplicationCore.Specifications;
 
-public sealed class BasketWithItemsSpecification : Specification<Basket>, ISingleResultSpecification
+public sealed class BasketWithItemsSpecification : Specification<Basket>
 {
     public BasketWithItemsSpecification(int basketId)
     {
diff --git a/src/ApplicationCore/Specifications/OrderWithItemsByIdSpec.cs b/src/ApplicationCore/Specifications/OrderWithItemsByIdSpec.cs
index 2f0d888..c9b3a72 100644
--- a/src/ApplicationCore/Specifications/OrderWithItemsByIdSpec.cs
+++ b/src/ApplicationCore/Specifications/OrderWithItemsByIdSpec.cs
@@ -3,7 +3,7 @@ using Microsoft.eShopWeb.ApplicationCore.Entities.OrderAggregate;
 
 namespace Microsoft.eShopWeb.ApplicationCore.Specifications;
 
-public class OrderWithItemsByIdSpec : Specification<Order>, ISingleResultSpecification
+public class OrderWithItemsByIdSpec : Specification<Order>
 {
     public OrderWithItemsByIdSpec(int orderId)
     {