diff --git a/Web/MVC/MVC 5/OWIN/packages.config b/Web/MVC/MVC 5/OWIN/packages.config
index 73b09e4..77279ea 100644
--- a/Web/MVC/MVC 5/OWIN/packages.config	
+++ b/Web/MVC/MVC 5/OWIN/packages.config	
@@ -3,7 +3,7 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
-  <package id="Microsoft.Owin" version="3.1.0" targetFramework="net452" />
+  <package id="Microsoft.Owin" version="4.2.2" targetFramework="net452" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.1.0" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
   <package id="Owin" version="1.0" targetFramework="net452" />