diff --git a/src/Microsoft.AspNet.Mvc.Core/project.json b/src/Microsoft.AspNet.Mvc.Core/project.json
index 783d2567ea..caabf69a69 100644
--- a/src/Microsoft.AspNet.Mvc.Core/project.json
+++ b/src/Microsoft.AspNet.Mvc.Core/project.json
@@ -38,6 +38,7 @@
         "System.Runtime": "4.0.20.0",
         "System.Runtime.Extensions": "4.0.10.0",
         "System.Runtime.InteropServices": "4.0.20.0",
+        "System.Security.Claims": "0.1-alpha-*",
         "System.Security.Cryptography": "4.0.0.0",
         "System.Security.Cryptography.HashAlgorithms.SHA2": "4.0.0.0",
         "System.Security.Principal": "4.0.0.0",