diff --git a/TSMS_Atp_2_Final_Project/packages.config b/TSMS_Atp_2_Final_Project/packages.config
index 7648622..22639df 100644
--- a/TSMS_Atp_2_Final_Project/packages.config
+++ b/TSMS_Atp_2_Final_Project/packages.config
@@ -16,7 +16,7 @@
   <package id="Microsoft.AspNet.SignalR.SystemWeb" version="2.2.1" targetFramework="net45" />
   <package id="Microsoft.AspNet.Web.Optimization" version="1.1.3" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebPages" version="3.0.0" targetFramework="net45" />
-  <package id="Microsoft.Owin" version="2.1.0" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="2.1.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Security" version="2.1.0" targetFramework="net45" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net45" />