diff --git a/TrueMoney/TrueMoney.Models/packages.config b/TrueMoney/TrueMoney.Models/packages.config
index 1b7b722..5e0d674 100644
--- a/TrueMoney/TrueMoney.Models/packages.config
+++ b/TrueMoney/TrueMoney.Models/packages.config
@@ -5,7 +5,7 @@
   <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="3.0.1" targetFramework="net452" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Security" version="3.0.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Security.Cookies" version="3.0.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Security.OAuth" version="3.0.1" targetFramework="net452" />