diff --git a/Alloy/packages.config b/Alloy/packages.config
index a0d8dd0..783c9db 100644
--- a/Alloy/packages.config
+++ b/Alloy/packages.config
@@ -27,7 +27,7 @@
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net472" />
   <package id="Microsoft.AspNet.Web.Optimization" version="1.1.3" targetFramework="net472" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net472" />
-  <package id="Microsoft.Owin" version="3.0.1" targetFramework="net472" />
+  <package id="Microsoft.Owin" version="4.2.2" targetFramework="net472" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.0.1" targetFramework="net472" />
   <package id="Microsoft.Owin.Security" version="3.0.0" targetFramework="net472" />
   <package id="Microsoft.Owin.Security.Cookies" version="3.0.0" targetFramework="net472" />