diff --git a/src/Microsoft.AspNet.Identity/project.json b/src/Microsoft.AspNet.Identity/project.json
index 03f3dc3034..2e09f1e554 100644
--- a/src/Microsoft.AspNet.Identity/project.json
+++ b/src/Microsoft.AspNet.Identity/project.json
@@ -35,7 +35,7 @@
         "System.Security.Cryptography.Hashing.Algorithms": "4.0.0-beta-*",
         "System.Text.Encoding": "4.0.10-beta-*",
         "System.Text.Encoding.Extensions": "4.0.10-beta-*",
-        "System.Text.RegularExpressions": "4.0.0-beta-*",
+        "System.Text.RegularExpressions": "4.0.10-beta-*",
         "System.Threading.Tasks": "4.0.10-beta-*"
       }
     }