diff --git a/TestSite/packages.config b/TestSite/packages.config
index f2989f1..24c4146 100644
--- a/TestSite/packages.config
+++ b/TestSite/packages.config
@@ -29,7 +29,7 @@
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="2.0.1" targetFramework="net472" />
   <package id="Microsoft.Extensions.DependencyInjection.Abstractions" version="2.0.0" targetFramework="net472" />
   <package id="Microsoft.IO.RecyclableMemoryStream" version="1.2.2" targetFramework="net472" />
-  <package id="Microsoft.Owin" version="4.0.1" targetFramework="net472" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net472" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="4.0.1" targetFramework="net472" />
   <package id="Microsoft.Owin.Security" version="4.0.1" targetFramework="net472" />
   <package id="Microsoft.Owin.Security.Cookies" version="4.0.1" targetFramework="net472" />