diff --git a/src/MusicStore/Controllers/CheckoutController.cs b/src/MusicStore/Controllers/CheckoutController.cs
index d5aaed9379..5f95f87a46 100644
--- a/src/MusicStore/Controllers/CheckoutController.cs
+++ b/src/MusicStore/Controllers/CheckoutController.cs
@@ -1,6 +1,6 @@
 using System;
 using System.Linq;
-using System.Security.Principal;
+using System.Security.Claims;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.AspNet.Mvc;
diff --git a/src/MusicStore/Controllers/ManageController.cs b/src/MusicStore/Controllers/ManageController.cs
index 12f45f2664..7c7aa5555b 100644
--- a/src/MusicStore/Controllers/ManageController.cs
+++ b/src/MusicStore/Controllers/ManageController.cs
@@ -1,5 +1,5 @@
 using System.Linq;
-using System.Security.Principal;
+using System.Security.Claims;
 using System.Threading.Tasks;
 using Microsoft.AspNet.Authorization;
 using Microsoft.AspNet.Identity;