diff --git a/root/programs/MultiPurposeAuthSite/MultiPurposeAuthSite/packages.config b/root/programs/MultiPurposeAuthSite/MultiPurposeAuthSite/packages.config
index 4b6c662..7531603 100644
--- a/root/programs/MultiPurposeAuthSite/MultiPurposeAuthSite/packages.config
+++ b/root/programs/MultiPurposeAuthSite/MultiPurposeAuthSite/packages.config
@@ -39,7 +39,7 @@
   <package id="Microsoft.IdentityModel.Tokens" version="5.5.0" targetFramework="net48" />
   <package id="Microsoft.jQuery.Unobtrusive.Ajax" version="3.2.6" targetFramework="net48" />
   <package id="Microsoft.jQuery.Unobtrusive.Validation" version="3.2.11" targetFramework="net48" />
-  <package id="Microsoft.Owin" version="4.0.1" targetFramework="net48" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net48" />
   <package id="Microsoft.Owin.Cors" version="4.0.1" targetFramework="net48" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="4.0.1" targetFramework="net48" />
   <package id="Microsoft.Owin.Host.SystemWeb.ja" version="4.0.1" targetFramework="net48" />