diff --git a/src/Microsoft.AspNet.Mvc.Core/Filters/AuthorizeAttribute.cs b/src/Microsoft.AspNet.Mvc.Core/Filters/AuthorizeAttribute.cs
index 7ee70e3fe1..d10d673447 100644
--- a/src/Microsoft.AspNet.Mvc.Core/Filters/AuthorizeAttribute.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/Filters/AuthorizeAttribute.cs
@@ -22,7 +22,7 @@ using System.Security.Claims;
 using System.Threading.Tasks;
 using Microsoft.AspNet.Mvc.Core;
 using Microsoft.AspNet.DependencyInjection;
-using Microsoft.AspNet.Security.Authorization;
+using Microsoft.AspNet.Security;
 
 namespace Microsoft.AspNet.Mvc
 {
diff --git a/src/Microsoft.AspNet.Mvc/MvcServices.cs b/src/Microsoft.AspNet.Mvc/MvcServices.cs
index d879e6a4ed..1414985f23 100644
--- a/src/Microsoft.AspNet.Mvc/MvcServices.cs
+++ b/src/Microsoft.AspNet.Mvc/MvcServices.cs
@@ -24,7 +24,7 @@ using Microsoft.AspNet.Mvc.ModelBinding;
 using Microsoft.AspNet.Mvc.Razor;
 using Microsoft.AspNet.Mvc.Razor.Compilation;
 using Microsoft.AspNet.Mvc.Rendering;
-using Microsoft.AspNet.Security.Authorization;
+using Microsoft.AspNet.Security;
 
 namespace Microsoft.AspNet.Mvc
 {
diff --git a/test/Microsoft.AspNet.Mvc.Core.Test/Filters/AuthorizeAttributeTests.cs b/test/Microsoft.AspNet.Mvc.Core.Test/Filters/AuthorizeAttributeTests.cs
index 6d3c1b74f8..468bf06da5 100644
--- a/test/Microsoft.AspNet.Mvc.Core.Test/Filters/AuthorizeAttributeTests.cs
+++ b/test/Microsoft.AspNet.Mvc.Core.Test/Filters/AuthorizeAttributeTests.cs
@@ -17,10 +17,11 @@
 
 using System;
 using System.Linq;
+using System.Security.Claims;
 using System.Threading.Tasks;
 using Microsoft.AspNet.DependencyInjection;
 using Microsoft.AspNet.Mvc;
-using Microsoft.AspNet.Security.Authorization;
+using Microsoft.AspNet.Security;
 using Moq;
 using Xunit;
 
@@ -141,7 +142,7 @@ namespace Microsoft.AspNet.Mvc.Core.Test
             bool authorizationServiceIsCalled = false;
             var authorizationService = new Mock<IAuthorizationService>();
             authorizationService
-                .Setup(x => x.AuthorizeAsync(null, null))
+                .Setup(x => x.AuthorizeAsync(Enumerable.Empty<Claim>(), null, null))
                 .Returns(() =>
                 {
                     authorizationServiceIsCalled = true;