diff --git a/samples/aspnet/WebApi/NamespaceControllerSelector/packages.config b/samples/aspnet/WebApi/NamespaceControllerSelector/packages.config
index b7656f3..cae7dbe 100644
--- a/samples/aspnet/WebApi/NamespaceControllerSelector/packages.config
+++ b/samples/aspnet/WebApi/NamespaceControllerSelector/packages.config
@@ -4,7 +4,7 @@
   <package id="Microsoft.AspNet.WebApi.Core" version="5.2.3" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebApi.Owin" version="5.2.3" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebApi.OwinSelfHost" version="5.2.3" targetFramework="net45" />
-  <package id="Microsoft.Owin" version="3.0.0" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.2.2" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.HttpListener" version="3.0.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Hosting" version="3.0.0" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />