diff --git a/angular2-signalr/server/Server/packages.config b/angular2-signalr/server/Server/packages.config
index e47792e..d693b27 100644
--- a/angular2-signalr/server/Server/packages.config
+++ b/angular2-signalr/server/Server/packages.config
@@ -7,7 +7,7 @@
   <package id="Microsoft.AspNet.WebApi.Client" version="5.2.3" targetFramework="net46" />
   <package id="Microsoft.AspNet.WebApi.Core" version="5.2.3" targetFramework="net46" />
   <package id="Microsoft.AspNet.WebApi.Owin" version="5.2.3" targetFramework="net46" />
-  <package id="Microsoft.Owin" version="3.0.1" targetFramework="net46" />
+  <package id="Microsoft.Owin" version="4.2.2" targetFramework="net46" />
   <package id="Microsoft.Owin.Cors" version="3.0.1" targetFramework="net46" />
   <package id="Microsoft.Owin.Host.HttpListener" version="3.0.1" targetFramework="net46" />
   <package id="Microsoft.Owin.Hosting" version="3.0.1" targetFramework="net46" />