diff --git a/src/MusicStore.Spa/Apis/AlbumsApiController.cs b/src/MusicStore.Spa/Apis/AlbumsApiController.cs
index 1f6f538082..e0f2f76444 100644
--- a/src/MusicStore.Spa/Apis/AlbumsApiController.cs
+++ b/src/MusicStore.Spa/Apis/AlbumsApiController.cs
@@ -2,6 +2,7 @@
 using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNet.Mvc;
+using Microsoft.AspNet.Security;
 using MusicStore.Infrastructure;
 using MusicStore.Models;
 using MusicStore.Spa.Infrastructure;
diff --git a/src/MusicStore.Spa/Controllers/AccountController.cs b/src/MusicStore.Spa/Controllers/AccountController.cs
index cf74aaf277..5a024281c8 100644
--- a/src/MusicStore.Spa/Controllers/AccountController.cs
+++ b/src/MusicStore.Spa/Controllers/AccountController.cs
@@ -3,6 +3,7 @@ using System.Threading.Tasks;
 using Microsoft.AspNet.Identity;
 using Microsoft.AspNet.Mvc;
 using Microsoft.AspNet.Mvc.ModelBinding;
+using Microsoft.AspNet.Security;
 using MusicStore.Models;
 
 namespace MusicStore.Controllers
diff --git a/src/MusicStore.Spa/Controllers/PageController.cs b/src/MusicStore.Spa/Controllers/PageController.cs
index 478515e596..8d3a88c15e 100644
--- a/src/MusicStore.Spa/Controllers/PageController.cs
+++ b/src/MusicStore.Spa/Controllers/PageController.cs
@@ -1,5 +1,6 @@
 using System.Security.Claims;
 using Microsoft.AspNet.Mvc;
+using Microsoft.AspNet.Security;
 
 namespace MusicStore.Spa.Controllers
 {