diff --git a/samples/CookieSample/Startup.cs b/samples/CookieSample/Startup.cs
index 917eca2ea6..510a76f4b6 100644
--- a/samples/CookieSample/Startup.cs
+++ b/samples/CookieSample/Startup.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Security.Claims;
 using Microsoft.AspNet;
+using Microsoft.AspNet.Http;
 using Microsoft.AspNet.Abstractions;
 using Microsoft.AspNet.DependencyInjection;
 using Microsoft.AspNet.DependencyInjection.Fallback;
diff --git a/samples/CookieSample/project.json b/samples/CookieSample/project.json
index 7d5e652710..9608352500 100644
--- a/samples/CookieSample/project.json
+++ b/samples/CookieSample/project.json
@@ -1,14 +1,13 @@
 {
   "version": "0.1-alpha-*",
   "dependencies": {
-    "Microsoft.AspNet.Abstractions": "0.1-alpha-*",
+    "Microsoft.AspNet.Http": "0.1-alpha-*",
     "Microsoft.AspNet.DependencyInjection": "0.1-alpha-*",
     "Microsoft.AspNet.Security": "",
     "Microsoft.AspNet.Security.Cookies": "",
     "Microsoft.AspNet.Hosting": "0.1-alpha-*",
     "Microsoft.AspNet.RequestContainer": "0.1-alpha-*",
     "Microsoft.AspNet.PipelineCore": "0.1-alpha-*",
-    "Microsoft.AspNet.Abstractions": "0.1-alpha-*",
     "Microsoft.AspNet.FeatureModel": "0.1-alpha-*",
     "Microsoft.AspNet.HttpFeature": "0.1-alpha-*",
     "Microsoft.AspNet.Logging": "0.1-alpha-*",
diff --git a/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationDefaults.cs b/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationDefaults.cs
index 8102911fd2..3ea10afb90 100644
--- a/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationDefaults.cs
+++ b/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationDefaults.cs
@@ -1,7 +1,7 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
 
 using System.Diagnostics.CodeAnalysis;
-using Microsoft.AspNet.Abstractions;
+using Microsoft.AspNet.Http;
 
 namespace Microsoft.AspNet.Security.Cookies
 {
diff --git a/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationExtensions.cs b/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationExtensions.cs
index 6c7e7e6bd7..4a97317398 100644
--- a/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationExtensions.cs
+++ b/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationExtensions.cs
@@ -1,7 +1,7 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
 
-using Microsoft.AspNet.Abstractions;
 using Microsoft.AspNet.DependencyInjection;
+using Microsoft.AspNet.Http;
 using Microsoft.AspNet.Logging;
 using Microsoft.AspNet.Security.Cookies;
 using Microsoft.AspNet.Security.DataProtection;
diff --git a/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationHandler.cs b/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationHandler.cs
index cbf1120403..714d9fae1b 100644
--- a/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationHandler.cs
+++ b/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationHandler.cs
@@ -1,13 +1,10 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
 
 using System;
-using System.Linq;
 using System.Threading.Tasks;
-using Microsoft.AspNet.Security.Infrastructure;
+using Microsoft.AspNet.Http;
 using Microsoft.AspNet.Logging;
-using Microsoft.AspNet.PipelineCore.Collections;
-using Microsoft.AspNet.Abstractions;
-using Microsoft.AspNet.HttpFeature.Security;
+using Microsoft.AspNet.Security.Infrastructure;
 
 namespace Microsoft.AspNet.Security.Cookies
 {
diff --git a/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationMiddleware.cs b/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationMiddleware.cs
index 7b1919c910..8fc9ea28c3 100644
--- a/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationMiddleware.cs
+++ b/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationMiddleware.cs
@@ -1,7 +1,7 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
 
 using System;
-using Microsoft.AspNet.Abstractions;
+using Microsoft.AspNet.Http;
 using Microsoft.AspNet.Logging;
 using Microsoft.AspNet.Security.DataHandler;
 using Microsoft.AspNet.Security.DataProtection;
diff --git a/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationOptions.cs b/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationOptions.cs
index e865ad68ee..3fa5cb5e89 100644
--- a/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationOptions.cs
+++ b/src/Microsoft.AspNet.Security.Cookies/CookieAuthenticationOptions.cs
@@ -2,7 +2,7 @@
 
 using System;
 using System.Diagnostics.CodeAnalysis;
-using Microsoft.AspNet.Abstractions;
+using Microsoft.AspNet.Http;
 using Microsoft.AspNet.Security.Infrastructure;
 
 namespace Microsoft.AspNet.Security.Cookies
diff --git a/src/Microsoft.AspNet.Security.Cookies/Notifications/CookieApplyRedirectContext.cs b/src/Microsoft.AspNet.Security.Cookies/Notifications/CookieApplyRedirectContext.cs
index 14c96dbe09..9d0aca22ca 100644
--- a/src/Microsoft.AspNet.Security.Cookies/Notifications/CookieApplyRedirectContext.cs
+++ b/src/Microsoft.AspNet.Security.Cookies/Notifications/CookieApplyRedirectContext.cs
@@ -1,7 +1,7 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
 
 using System.Diagnostics.CodeAnalysis;
-using Microsoft.AspNet.Abstractions;
+using Microsoft.AspNet.Http;
 using Microsoft.AspNet.Security.Notifications;
 
 namespace Microsoft.AspNet.Security.Cookies
diff --git a/src/Microsoft.AspNet.Security.Cookies/Notifications/CookieResponseSignInContext.cs b/src/Microsoft.AspNet.Security.Cookies/Notifications/CookieResponseSignInContext.cs
index 4fefed2d9c..375c851819 100644
--- a/src/Microsoft.AspNet.Security.Cookies/Notifications/CookieResponseSignInContext.cs
+++ b/src/Microsoft.AspNet.Security.Cookies/Notifications/CookieResponseSignInContext.cs
@@ -1,8 +1,8 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
 
 using System.Security.Claims;
-using Microsoft.AspNet.Abstractions;
-using Microsoft.AspNet.Abstractions.Security;
+using Microsoft.AspNet.Http;
+using Microsoft.AspNet.Http.Security;
 using Microsoft.AspNet.Security.Notifications;
 
 namespace Microsoft.AspNet.Security.Cookies
diff --git a/src/Microsoft.AspNet.Security.Cookies/Notifications/CookieResponseSignOutContext.cs b/src/Microsoft.AspNet.Security.Cookies/Notifications/CookieResponseSignOutContext.cs
index e7d808c35b..7dbd451377 100644
--- a/src/Microsoft.AspNet.Security.Cookies/Notifications/CookieResponseSignOutContext.cs
+++ b/src/Microsoft.AspNet.Security.Cookies/Notifications/CookieResponseSignOutContext.cs
@@ -1,6 +1,6 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
 
-using Microsoft.AspNet.Abstractions;
+using Microsoft.AspNet.Http;
 using Microsoft.AspNet.Security.Notifications;
 
 namespace Microsoft.AspNet.Security.Cookies
diff --git a/src/Microsoft.AspNet.Security.Cookies/Notifications/CookieValidateIdentityContext.cs b/src/Microsoft.AspNet.Security.Cookies/Notifications/CookieValidateIdentityContext.cs
index e48facc5b2..3996a9585d 100644
--- a/src/Microsoft.AspNet.Security.Cookies/Notifications/CookieValidateIdentityContext.cs
+++ b/src/Microsoft.AspNet.Security.Cookies/Notifications/CookieValidateIdentityContext.cs
@@ -3,8 +3,8 @@
 using System;
 using System.Security.Claims;
 using System.Security.Principal;
-using Microsoft.AspNet.Abstractions;
-using Microsoft.AspNet.Abstractions.Security;
+using Microsoft.AspNet.Http;
+using Microsoft.AspNet.Http.Security;
 using Microsoft.AspNet.HttpFeature.Security;
 using Microsoft.AspNet.Security.Infrastructure;
 using Microsoft.AspNet.Security.Notifications;
diff --git a/src/Microsoft.AspNet.Security.Cookies/Notifications/DefaultBehavior.cs b/src/Microsoft.AspNet.Security.Cookies/Notifications/DefaultBehavior.cs
index d90acf62ff..98b7da1c8b 100644
--- a/src/Microsoft.AspNet.Security.Cookies/Notifications/DefaultBehavior.cs
+++ b/src/Microsoft.AspNet.Security.Cookies/Notifications/DefaultBehavior.cs
@@ -1,7 +1,7 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
 
 using System;
-using Microsoft.AspNet.Abstractions;
+using Microsoft.AspNet.Http;
 using Newtonsoft.Json;
 
 namespace Microsoft.AspNet.Security.Cookies
diff --git a/src/Microsoft.AspNet.Security.Cookies/project.json b/src/Microsoft.AspNet.Security.Cookies/project.json
index f73ba62d84..4b97e21842 100644
--- a/src/Microsoft.AspNet.Security.Cookies/project.json
+++ b/src/Microsoft.AspNet.Security.Cookies/project.json
@@ -5,7 +5,7 @@
     "Microsoft.AspNet.Security": "0.1-alpha-*",
     "Microsoft.AspNet.DependencyInjection": "0.1-alpha-*",
     "Microsoft.AspNet.PipelineCore": "0.1-alpha-*",
-    "Microsoft.AspNet.Abstractions": "0.1-alpha-*",
+    "Microsoft.AspNet.Http": "0.1-alpha-*",
     "Microsoft.AspNet.FeatureModel": "0.1-alpha-*",
     "Microsoft.AspNet.HttpFeature": "0.1-alpha-*",
     "Microsoft.AspNet.Logging": "0.1-alpha-*",
diff --git a/src/Microsoft.AspNet.Security/AuthenticationOptions.cs b/src/Microsoft.AspNet.Security/AuthenticationOptions.cs
index bfd63df993..719132212a 100644
--- a/src/Microsoft.AspNet.Security/AuthenticationOptions.cs
+++ b/src/Microsoft.AspNet.Security/AuthenticationOptions.cs
@@ -2,7 +2,7 @@
 
 using System;
 using System.Collections.Generic;
-using Microsoft.AspNet.Abstractions.Security;
+using Microsoft.AspNet.Http.Security;
 using Microsoft.AspNet.HttpFeature.Security;
 using Microsoft.AspNet.PipelineCore.Security;
 
diff --git a/src/Microsoft.AspNet.Security/AuthenticationTicket.cs b/src/Microsoft.AspNet.Security/AuthenticationTicket.cs
index 2b910d9445..5adb20b7ee 100644
--- a/src/Microsoft.AspNet.Security/AuthenticationTicket.cs
+++ b/src/Microsoft.AspNet.Security/AuthenticationTicket.cs
@@ -3,7 +3,7 @@
 using System;
 using System.Collections.Generic;
 using System.Security.Claims;
-using Microsoft.AspNet.Abstractions.Security;
+using Microsoft.AspNet.Http.Security;
 using Microsoft.AspNet.HttpFeature.Security;
 using Microsoft.AspNet.PipelineCore.Security;
 using Microsoft.AspNet.Security.Infrastructure;
diff --git a/src/Microsoft.AspNet.Security/DataHandler/PropertiesDataFormat.cs b/src/Microsoft.AspNet.Security/DataHandler/PropertiesDataFormat.cs
index 43aab1c990..4c41223502 100644
--- a/src/Microsoft.AspNet.Security/DataHandler/PropertiesDataFormat.cs
+++ b/src/Microsoft.AspNet.Security/DataHandler/PropertiesDataFormat.cs
@@ -1,6 +1,6 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
 
-using Microsoft.AspNet.Abstractions.Security;
+using Microsoft.AspNet.Http.Security;
 using Microsoft.AspNet.Security.DataHandler.Encoder;
 using Microsoft.AspNet.Security.DataHandler.Serializer;
 using Microsoft.AspNet.Security.DataProtection;
diff --git a/src/Microsoft.AspNet.Security/DataHandler/Serializer/DataSerializers.cs b/src/Microsoft.AspNet.Security/DataHandler/Serializer/DataSerializers.cs
index b46f5dcb98..faf395aab5 100644
--- a/src/Microsoft.AspNet.Security/DataHandler/Serializer/DataSerializers.cs
+++ b/src/Microsoft.AspNet.Security/DataHandler/Serializer/DataSerializers.cs
@@ -1,6 +1,6 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
 
-using Microsoft.AspNet.Abstractions.Security;
+using Microsoft.AspNet.Http.Security;
 
 namespace Microsoft.AspNet.Security.DataHandler.Serializer
 {
diff --git a/src/Microsoft.AspNet.Security/DataHandler/Serializer/PropertiesSerializer.cs b/src/Microsoft.AspNet.Security/DataHandler/Serializer/PropertiesSerializer.cs
index 0ea3a4ba30..d8bfc7209b 100644
--- a/src/Microsoft.AspNet.Security/DataHandler/Serializer/PropertiesSerializer.cs
+++ b/src/Microsoft.AspNet.Security/DataHandler/Serializer/PropertiesSerializer.cs
@@ -4,7 +4,7 @@ using System;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
 using System.IO;
-using Microsoft.AspNet.Abstractions.Security;
+using Microsoft.AspNet.Http.Security;
 
 namespace Microsoft.AspNet.Security.DataHandler.Serializer
 {
diff --git a/src/Microsoft.AspNet.Security/DataProtection/DataProtectionHelpers.cs b/src/Microsoft.AspNet.Security/DataProtection/DataProtectionHelpers.cs
index 8ed6c5db21..96b151e818 100644
--- a/src/Microsoft.AspNet.Security/DataProtection/DataProtectionHelpers.cs
+++ b/src/Microsoft.AspNet.Security/DataProtection/DataProtectionHelpers.cs
@@ -1,7 +1,7 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
 
 using System;
-using Microsoft.AspNet.Abstractions;
+using Microsoft.AspNet.Http;
 
 namespace Microsoft.AspNet.Security.DataProtection
 {
diff --git a/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationHandler.cs b/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationHandler.cs
index 5b7f1e2106..03229baee8 100644
--- a/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationHandler.cs
+++ b/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationHandler.cs
@@ -8,8 +8,8 @@ using System.Security.Claims;
 using System.Security.Cryptography;
 using System.Threading;
 using System.Threading.Tasks;
-using Microsoft.AspNet.Abstractions;
-using Microsoft.AspNet.Abstractions.Security;
+using Microsoft.AspNet.Http;
+using Microsoft.AspNet.Http.Security;
 using Microsoft.AspNet.HttpFeature.Security;
 using Microsoft.AspNet.Logging;
 using Microsoft.AspNet.Security.DataHandler.Encoder;
diff --git a/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationHandler`1.cs b/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationHandler`1.cs
index ef69d5f023..80944261c7 100644
--- a/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationHandler`1.cs
+++ b/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationHandler`1.cs
@@ -1,7 +1,7 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
 
 using System.Threading.Tasks;
-using Microsoft.AspNet.Abstractions;
+using Microsoft.AspNet.Http;
 
 namespace Microsoft.AspNet.Security.Infrastructure
 {
diff --git a/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationMiddleware.cs b/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationMiddleware.cs
index f4fecd5231..7ad8d931eb 100644
--- a/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationMiddleware.cs
+++ b/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationMiddleware.cs
@@ -2,7 +2,7 @@
 
 using System;
 using System.Threading.Tasks;
-using Microsoft.AspNet.Abstractions;
+using Microsoft.AspNet.Http;
 
 namespace Microsoft.AspNet.Security.Infrastructure
 {
diff --git a/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationTokenCreateContext.cs b/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationTokenCreateContext.cs
index e418a113fe..3a96006c50 100644
--- a/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationTokenCreateContext.cs
+++ b/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationTokenCreateContext.cs
@@ -1,7 +1,7 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
 
 using System;
-using Microsoft.AspNet.Abstractions;
+using Microsoft.AspNet.Http;
 using Microsoft.AspNet.Security.Notifications;
 
 namespace Microsoft.AspNet.Security.Infrastructure
diff --git a/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationTokenReceiveContext.cs b/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationTokenReceiveContext.cs
index 7e4f840277..0f6d6bce02 100644
--- a/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationTokenReceiveContext.cs
+++ b/src/Microsoft.AspNet.Security/Infrastructure/AuthenticationTokenReceiveContext.cs
@@ -1,7 +1,7 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
 
 using System;
-using Microsoft.AspNet.Abstractions;
+using Microsoft.AspNet.Http;
 using Microsoft.AspNet.Security.Notifications;
 
 namespace Microsoft.AspNet.Security.Infrastructure
diff --git a/src/Microsoft.AspNet.Security/Infrastructure/HttpContextExtensions.cs b/src/Microsoft.AspNet.Security/Infrastructure/HttpContextExtensions.cs
index 3f0be6f882..4336544d34 100644
--- a/src/Microsoft.AspNet.Security/Infrastructure/HttpContextExtensions.cs
+++ b/src/Microsoft.AspNet.Security/Infrastructure/HttpContextExtensions.cs
@@ -1,4 +1,4 @@
-using Microsoft.AspNet.Abstractions;
+using Microsoft.AspNet.Http;
 using Microsoft.AspNet.HttpFeature.Security;
 using Microsoft.AspNet.PipelineCore.Security;
 
diff --git a/src/Microsoft.AspNet.Security/Infrastructure/SecurityHelper.cs b/src/Microsoft.AspNet.Security/Infrastructure/SecurityHelper.cs
index a4e42b92d8..436101fa9b 100644
--- a/src/Microsoft.AspNet.Security/Infrastructure/SecurityHelper.cs
+++ b/src/Microsoft.AspNet.Security/Infrastructure/SecurityHelper.cs
@@ -5,7 +5,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Security.Claims;
 using System.Security.Principal;
-using Microsoft.AspNet.Abstractions;
+using Microsoft.AspNet.Http;
 
 namespace Microsoft.AspNet.Security.Infrastructure
 {
diff --git a/src/Microsoft.AspNet.Security/Infrastructure/SignInIdentityContext.cs b/src/Microsoft.AspNet.Security/Infrastructure/SignInIdentityContext.cs
index 087de642c6..52c2ddff1b 100644
--- a/src/Microsoft.AspNet.Security/Infrastructure/SignInIdentityContext.cs
+++ b/src/Microsoft.AspNet.Security/Infrastructure/SignInIdentityContext.cs
@@ -1,5 +1,5 @@
 using System.Security.Claims;
-using Microsoft.AspNet.Abstractions.Security;
+using Microsoft.AspNet.Http.Security;
 
 namespace Microsoft.AspNet.Security.Infrastructure
 {
diff --git a/src/Microsoft.AspNet.Security/Notifications/BaseContext.cs b/src/Microsoft.AspNet.Security/Notifications/BaseContext.cs
index 57b50ed364..2ad464e37f 100644
--- a/src/Microsoft.AspNet.Security/Notifications/BaseContext.cs
+++ b/src/Microsoft.AspNet.Security/Notifications/BaseContext.cs
@@ -1,6 +1,6 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
 
-using Microsoft.AspNet.Abstractions;
+using Microsoft.AspNet.Http;
 
 namespace Microsoft.AspNet.Security.Notifications
 {
diff --git a/src/Microsoft.AspNet.Security/Notifications/BaseContext`1.cs b/src/Microsoft.AspNet.Security/Notifications/BaseContext`1.cs
index be656e4c24..5073cd183e 100644
--- a/src/Microsoft.AspNet.Security/Notifications/BaseContext`1.cs
+++ b/src/Microsoft.AspNet.Security/Notifications/BaseContext`1.cs
@@ -1,6 +1,6 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
 
-using Microsoft.AspNet.Abstractions;
+using Microsoft.AspNet.Http;
 
 namespace Microsoft.AspNet.Security.Notifications
 {
diff --git a/src/Microsoft.AspNet.Security/Notifications/EndpointContext.cs b/src/Microsoft.AspNet.Security/Notifications/EndpointContext.cs
index 58c175326e..214a724a42 100644
--- a/src/Microsoft.AspNet.Security/Notifications/EndpointContext.cs
+++ b/src/Microsoft.AspNet.Security/Notifications/EndpointContext.cs
@@ -1,6 +1,6 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
 
-using Microsoft.AspNet.Abstractions;
+using Microsoft.AspNet.Http;
 
 namespace Microsoft.AspNet.Security.Notifications
 {
diff --git a/src/Microsoft.AspNet.Security/Notifications/EndpointContext`1.cs b/src/Microsoft.AspNet.Security/Notifications/EndpointContext`1.cs
index 15c7a64780..80b5c2c554 100644
--- a/src/Microsoft.AspNet.Security/Notifications/EndpointContext`1.cs
+++ b/src/Microsoft.AspNet.Security/Notifications/EndpointContext`1.cs
@@ -1,6 +1,6 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
 
-using Microsoft.AspNet.Abstractions;
+using Microsoft.AspNet.Http;
 
 namespace Microsoft.AspNet.Security.Notifications
 {
diff --git a/src/Microsoft.AspNet.Security/Notifications/ReturnEndpointContext.cs b/src/Microsoft.AspNet.Security/Notifications/ReturnEndpointContext.cs
index ce1f309a11..ff88098f57 100644
--- a/src/Microsoft.AspNet.Security/Notifications/ReturnEndpointContext.cs
+++ b/src/Microsoft.AspNet.Security/Notifications/ReturnEndpointContext.cs
@@ -2,8 +2,8 @@
 
 using System.Diagnostics.CodeAnalysis;
 using System.Security.Claims;
-using Microsoft.AspNet.Abstractions;
-using Microsoft.AspNet.Abstractions.Security;
+using Microsoft.AspNet.Http;
+using Microsoft.AspNet.Http.Security;
 
 namespace Microsoft.AspNet.Security.Notifications
 {
diff --git a/src/Microsoft.AspNet.Security/project.json b/src/Microsoft.AspNet.Security/project.json
index b14e7de2f9..77a720e041 100644
--- a/src/Microsoft.AspNet.Security/project.json
+++ b/src/Microsoft.AspNet.Security/project.json
@@ -3,7 +3,7 @@
   "dependencies": {
     "Microsoft.AspNet.DependencyInjection": "0.1-alpha-*",
     "Microsoft.AspNet.PipelineCore": "0.1-alpha-*",
-    "Microsoft.AspNet.Abstractions": "0.1-alpha-*",
+    "Microsoft.AspNet.Http": "0.1-alpha-*",
     "Microsoft.AspNet.FeatureModel": "0.1-alpha-*",
     "Microsoft.AspNet.HttpFeature": "0.1-alpha-*",
     "Microsoft.AspNet.Logging": "0.1-alpha-*",