diff --git a/TicketManagementSystem.Business/packages.config b/TicketManagementSystem.Business/packages.config
index 56df6f6..e484f01 100644
--- a/TicketManagementSystem.Business/packages.config
+++ b/TicketManagementSystem.Business/packages.config
@@ -5,7 +5,7 @@
   <package id="evopdf" version="7.4" targetFramework="net45" />
   <package id="Microsoft.AspNet.Identity.Core" version="2.2.1" targetFramework="net45" />
   <package id="Microsoft.AspNet.Identity.EntityFramework" version="2.2.1" targetFramework="net45" />
-  <package id="Microsoft.Owin" version="3.1.0" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Security" version="3.1.0" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="6.0.4" targetFramework="net45" />
   <package id="Ninject" version="3.2.2.0" targetFramework="net45" />