diff --git a/src/Microsoft.AspNet.Security.MicrosoftAccount/project.json b/src/Microsoft.AspNet.Security.MicrosoftAccount/project.json
index b583f1ae8c..3457c15c99 100644
--- a/src/Microsoft.AspNet.Security.MicrosoftAccount/project.json
+++ b/src/Microsoft.AspNet.Security.MicrosoftAccount/project.json
@@ -29,7 +29,7 @@
                 "System.IO.Compression": "4.0.0.0",
                 "System.Linq": "4.0.0.0",
                 "System.Net.Http.WinHttpHandler": "4.0.0.0",
-                "System.ObjectModel": "4.0.0.0",
+                "System.ObjectModel": "4.0.10.0",
                 "System.Reflection": "4.0.10.0",
                 "System.Resources.ResourceManager": "4.0.0.0",
                 "System.Runtime": "4.0.20.0",