diff --git a/SignalRChat/packages.config b/SignalRChat/packages.config
index ff720b6..0a3606d 100644
--- a/SignalRChat/packages.config
+++ b/SignalRChat/packages.config
@@ -6,7 +6,7 @@
   <package id="Microsoft.AspNet.SignalR.Core" version="2.0.0" targetFramework="net45" />
   <package id="Microsoft.AspNet.SignalR.JS" version="2.0.0" targetFramework="net45" />
   <package id="Microsoft.AspNet.SignalR.SystemWeb" version="2.0.0" targetFramework="net45" />
-  <package id="Microsoft.Owin" version="2.0.0" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.2.2" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="2.0.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Security" version="2.0.0" targetFramework="net45" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net45" />