diff --git a/HealthCare.Web/packages.config b/HealthCare.Web/packages.config
index 174391b..a07707c 100644
--- a/HealthCare.Web/packages.config
+++ b/HealthCare.Web/packages.config
@@ -30,7 +30,7 @@
   <package id="Microsoft.IdentityModel.Clients.ActiveDirectory" version="3.13.8" targetFramework="net452" />
   <package id="Microsoft.IdentityModel.Protocol.Extensions" version="1.0.0" targetFramework="net452" />
   <package id="Microsoft.Net.Compilers" version="1.3.2" targetFramework="net452" developmentDependency="true" />
-  <package id="Microsoft.Owin" version="3.0.1" targetFramework="net452" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.0.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Security" version="3.0.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Security.Cookies" version="3.0.1" targetFramework="net452" />