diff --git a/src/Microsoft.AspNet.Mvc.WebApiCompatShim/project.json b/src/Microsoft.AspNet.Mvc.WebApiCompatShim/project.json
index 5b948090b5..1b317cd5b3 100644
--- a/src/Microsoft.AspNet.Mvc.WebApiCompatShim/project.json
+++ b/src/Microsoft.AspNet.Mvc.WebApiCompatShim/project.json
@@ -21,7 +21,7 @@
         "aspnetcore50": {
             "dependencies": {
                 "System.Net.Http": "4.0.0-beta-*",
-                "System.Xml.XmlSerializer": "4.0.0-beta-*",
+                "System.Xml.XmlSerializer": "4.0.10-beta-*",
                 "System.Runtime.Serialization.Xml": "4.0.10-beta-*"
             }
         }