diff --git a/uCondition.Core/packages.config b/uCondition.Core/packages.config
index 02ece23..2a21c8e 100644
--- a/uCondition.Core/packages.config
+++ b/uCondition.Core/packages.config
@@ -28,7 +28,7 @@
   <package id="Microsoft.AspNet.WebApi.WebHost" version="5.2.7" targetFramework="net472" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.7" targetFramework="net472" />
   <package id="Microsoft.Extensions.DependencyInjection.Abstractions" version="2.0.0" targetFramework="net472" />
-  <package id="Microsoft.Owin" version="4.0.1" targetFramework="net472" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net472" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="4.0.1" targetFramework="net472" />
   <package id="Microsoft.Owin.Security" version="4.0.1" targetFramework="net472" />
   <package id="Microsoft.Owin.Security.Cookies" version="4.0.1" targetFramework="net472" />