diff --git a/webapi/packages.config b/webapi/packages.config
index 3525b50..40c5097 100644
--- a/webapi/packages.config
+++ b/webapi/packages.config
@@ -21,7 +21,7 @@
   <package id="Microsoft.AspNet.WebPages" version="3.2.7" targetFramework="net472" />
   <package id="Microsoft.AspNet.WebPages.ru" version="3.2.7" targetFramework="net472" />
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="2.0.0" targetFramework="net472" />
-  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net472" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net472" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="4.0.0" targetFramework="net472" />
   <package id="Microsoft.Owin.Host.SystemWeb.ru" version="4.0.0" targetFramework="net472" />
   <package id="Microsoft.Owin.ru" version="4.0.0" targetFramework="net472" />