diff --git a/Web/WebDesigner_MVC/packages.config b/Web/WebDesigner_MVC/packages.config
index 0343ad0..b9397b3 100644
--- a/Web/WebDesigner_MVC/packages.config
+++ b/Web/WebDesigner_MVC/packages.config
@@ -3,7 +3,7 @@
   <package id="Microsoft.AspNet.Mvc" version="5.0.0" targetFramework="net462" />
   <package id="Microsoft.AspNet.Razor" version="3.0.0" targetFramework="net462" />
   <package id="Microsoft.AspNet.WebPages" version="3.0.0" targetFramework="net462" />
-  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net462" />
+  <package id="Microsoft.Owin" version="4.2.2" targetFramework="net462" />
   <package id="Microsoft.Owin.Diagnostics" version="4.0.0" targetFramework="net462" />
   <package id="Microsoft.Owin.FileSystems" version="4.0.0" targetFramework="net462" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="4.0.0" targetFramework="net462" />