diff --git a/Sitefinity12-1/packages.config b/Sitefinity12-1/packages.config
index a078edc..5a4ea4e 100644
--- a/Sitefinity12-1/packages.config
+++ b/Sitefinity12-1/packages.config
@@ -54,7 +54,7 @@
   <package id="Microsoft.IdentityModel.Protocol.Extensions" version="1.0.2.206221351" targetFramework="net472" />
   <package id="Microsoft.OData.Core" version="7.5.0" targetFramework="net472" />
   <package id="Microsoft.OData.Edm" version="7.5.0" targetFramework="net472" />
-  <package id="Microsoft.Owin" version="3.1.0" targetFramework="net472" />
+  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net472" />
   <package id="Microsoft.Owin.Cors" version="3.1.0" targetFramework="net472" />
   <package id="Microsoft.Owin.FileSystems" version="3.1.0" targetFramework="net472" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.1.0" targetFramework="net472" />