diff --git a/Token_Based_Owin_Athuentication/packages.config b/Token_Based_Owin_Athuentication/packages.config
index 37cc020..b577fac 100644
--- a/Token_Based_Owin_Athuentication/packages.config
+++ b/Token_Based_Owin_Athuentication/packages.config
@@ -22,7 +22,7 @@
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.0" targetFramework="net452" />
   <package id="Microsoft.Net.Compilers" version="1.0.0" targetFramework="net452" developmentDependency="true" />
-  <package id="Microsoft.Owin" version="4.0.1" targetFramework="net452" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="4.0.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Security" version="4.0.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Security.OAuth" version="4.0.1" targetFramework="net452" />