diff --git a/Source/Examples/WinFormSelfHost/packages.config b/Source/Examples/WinFormSelfHost/packages.config
index 480fd6f..ab011a6 100644
--- a/Source/Examples/WinFormSelfHost/packages.config
+++ b/Source/Examples/WinFormSelfHost/packages.config
@@ -4,7 +4,7 @@
   <package id="Microsoft.AspNet.WebApi.Core" version="5.2.6" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebApi.Owin" version="5.2.6" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebApi.OwinSelfHost" version="5.2.6" targetFramework="net452" />
-  <package id="Microsoft.Owin" version="2.1.0" targetFramework="net452" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Host.HttpListener" version="2.1.0" targetFramework="net452" />
   <package id="Microsoft.Owin.Hosting" version="2.1.0" targetFramework="net452" />
   <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net452" />