diff --git a/LanAdeptAdmin/packages.config b/LanAdeptAdmin/packages.config
index 1522731..3e6c70b 100644
--- a/LanAdeptAdmin/packages.config
+++ b/LanAdeptAdmin/packages.config
@@ -25,7 +25,7 @@
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebPages.fr" version="3.2.3" targetFramework="net45" />
   <package id="Microsoft.jQuery.Unobtrusive.Validation" version="3.2.3" targetFramework="net45" />
-  <package id="Microsoft.Owin" version="3.1.0" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.1.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.SystemWeb.fr" version="3.1.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Security" version="3.1.0" targetFramework="net45" />