diff --git a/Inversion.Demo.Katana/packages.config b/Inversion.Demo.Katana/packages.config
index 67bc9c2..bf6cdfe 100644
--- a/Inversion.Demo.Katana/packages.config
+++ b/Inversion.Demo.Katana/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Microsoft.Owin" version="3.0.1" targetFramework="net452" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Diagnostics" version="3.0.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.HttpListener" version="3.0.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Hosting" version="3.0.1" targetFramework="net452" />