diff --git a/WebProxy/packages.config b/WebProxy/packages.config
index 9b6d176..dfe2181 100644
--- a/WebProxy/packages.config
+++ b/WebProxy/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="CsQuery" version="1.3.4" targetFramework="net45" />
-  <package id="Microsoft.Owin" version="3.1.0" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.2.2" targetFramework="net45" />
   <package id="Microsoft.Owin.Hosting" version="3.1.0" targetFramework="net45" />
   <package id="Nowin" version="0.26.0" targetFramework="net45" />
   <package id="Owin" version="1.0" targetFramework="net45" />