diff --git a/GroupManager/packages.config b/GroupManager/packages.config
index a9cb314..425f870 100644
--- a/GroupManager/packages.config
+++ b/GroupManager/packages.config
@@ -27,7 +27,7 @@
   <package id="Microsoft.Net.Compilers" version="3.4.0" targetFramework="net472" developmentDependency="true" />
   <package id="Microsoft.NETCore.Platforms" version="1.1.1" targetFramework="net472" />
   <package id="Microsoft.NETCore.Targets" version="1.1.3" targetFramework="net472" />
-  <package id="Microsoft.Owin" version="4.1.0" targetFramework="net472" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net472" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="4.1.0" targetFramework="net472" />
   <package id="Microsoft.Owin.Security" version="4.1.0" targetFramework="net472" />
   <package id="Microsoft.Owin.Security.Cookies" version="4.1.0" targetFramework="net472" />