diff --git a/src/Microsoft.AspNet.Security.Facebook/Project.json b/src/Microsoft.AspNet.Security.Facebook/Project.json
index b70ab4b6a4..9f19015e3d 100644
--- a/src/Microsoft.AspNet.Security.Facebook/Project.json
+++ b/src/Microsoft.AspNet.Security.Facebook/Project.json
@@ -24,7 +24,7 @@
                 "System.Diagnostics.Debug": "4.0.10.0",
                 "System.Diagnostics.Tools": "4.0.0.0",
                 "System.Globalization": "4.0.10.0",
-                "System.IO": "4.0.0.0",
+                "System.IO": "4.0.10.0",
                 "System.IO.Compression": "4.0.0.0",
                 "System.Linq": "4.0.0.0",
                 "System.Net.Http.WinHttpHandler": "4.0.0.0",