diff --git a/src/Microsoft.AspNet.WebSockets.Protocol/project.json b/src/Microsoft.AspNet.WebSockets.Protocol/project.json
index b8854b70d3..0e0cd0d784 100644
--- a/src/Microsoft.AspNet.WebSockets.Protocol/project.json
+++ b/src/Microsoft.AspNet.WebSockets.Protocol/project.json
@@ -5,10 +5,10 @@
         "net45": { },
         "dnxcore50": {
             "dependencies": {
-                "Microsoft.Net.WebSocketAbstractions": "1.0.0-*",
                 "System.Diagnostics.Contracts": "4.0.0-beta-*",
                 "System.IO": "4.0.10-beta-*",
                 "System.Linq": "4.0.0-beta-*",
+                "System.Net.WebSockets": "4.0.0-beta-*",
                 "System.Runtime": "4.0.20-beta-*",
                 "System.Runtime.InteropServices": "4.0.20-beta-*",
                 "System.Runtime.Extensions": "4.0.10-beta-*",