diff --git a/ASPNET/SignalR/SignalRChat/packages.config b/ASPNET/SignalR/SignalRChat/packages.config
index 374072c3..9ff6affb 100644
--- a/ASPNET/SignalR/SignalRChat/packages.config
+++ b/ASPNET/SignalR/SignalRChat/packages.config
@@ -5,7 +5,7 @@
   <package id="Microsoft.AspNet.SignalR.Core" version="2.2.0" targetFramework="net45" />
   <package id="Microsoft.AspNet.SignalR.JS" version="2.2.0" targetFramework="net45" />
   <package id="Microsoft.AspNet.SignalR.SystemWeb" version="2.2.0" targetFramework="net45" />
-  <package id="Microsoft.Owin" version="3.0.1" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.0.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Security" version="3.0.1" targetFramework="net45" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net45" />