diff --git a/TestWebApi/TestWebApi/packages.config b/TestWebApi/TestWebApi/packages.config
index 554aff2..984c9f1 100644
--- a/TestWebApi/TestWebApi/packages.config
+++ b/TestWebApi/TestWebApi/packages.config
@@ -20,7 +20,7 @@
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.0" targetFramework="net452" />
   <package id="Microsoft.Net.Compilers" version="1.0.0" targetFramework="net452" developmentDependency="true" />
   <package id="Microsoft.Office.Interop.Excel" version="15.0.4795.1000" targetFramework="net452" />
-  <package id="Microsoft.Owin" version="4.0.1" targetFramework="net452" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Cors" version="4.0.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Security" version="4.0.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Security.Cookies" version="3.0.1" targetFramework="net452" />