diff --git a/LibraryService/packages.config b/LibraryService/packages.config
index 3e06ff5..8051fbe 100644
--- a/LibraryService/packages.config
+++ b/LibraryService/packages.config
@@ -20,7 +20,7 @@
   <package id="Microsoft.AspNet.WebPages" version="3.2.7" targetFramework="net472" />
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="2.0.0" targetFramework="net472" />
   <package id="Microsoft.jQuery.Unobtrusive.Validation" version="3.2.11" 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.Security" version="4.0.0" targetFramework="net472" />
   <package id="Microsoft.Owin.Security.Cookies" version="4.0.0" targetFramework="net472" />