diff --git a/pythonBOOKS/Python-Tools-VStudio/Code/Chapter 3/Marquee/Marquee/packages.config b/pythonBOOKS/Python-Tools-VStudio/Code/Chapter 3/Marquee/Marquee/packages.config
index cc63893..48f8fc4 100644
--- a/pythonBOOKS/Python-Tools-VStudio/Code/Chapter 3/Marquee/Marquee/packages.config	
+++ b/pythonBOOKS/Python-Tools-VStudio/Code/Chapter 3/Marquee/Marquee/packages.config	
@@ -15,7 +15,7 @@
   <package id="Microsoft.AspNet.ScriptManager.WebForms" version="5.0.0-rc1" targetFramework="net45" />
   <package id="Microsoft.AspNet.Web.Optimization" version="1.1.0" targetFramework="net45" />
   <package id="Microsoft.AspNet.Web.Optimization.WebForms" version="1.1.0" targetFramework="net45" />
-  <package id="Microsoft.Owin" version="2.0.0-rc1" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.2.2" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="2.0.0-rc1" targetFramework="net45" />
   <package id="Microsoft.Owin.Security" version="2.0.0-rc1" targetFramework="net45" />
   <package id="Microsoft.Owin.Security.Cookies" version="2.0.0-rc1" targetFramework="net45" />