diff --git a/WebApiAuthentication/MyApi/packages.config b/WebApiAuthentication/MyApi/packages.config
index 951088b..f7e6213 100644
--- a/WebApiAuthentication/MyApi/packages.config
+++ b/WebApiAuthentication/MyApi/packages.config
@@ -21,7 +21,7 @@
   <package id="Microsoft.AspNet.WebApi.WebHost" version="5.2.2" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.2" targetFramework="net45" />
   <package id="Microsoft.jQuery.Unobtrusive.Validation" version="3.2.2" targetFramework="net45" />
-  <package id="Microsoft.Owin" version="3.0.0" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Cors" version="3.0.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.0.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Security" version="3.0.0" targetFramework="net45" />