diff --git a/Web/Web API/Web API OWIN/packages.config b/Web/Web API/Web API OWIN/packages.config
index edcaf1d..566f983 100644
--- a/Web/Web API/Web API OWIN/packages.config	
+++ b/Web/Web API/Web API OWIN/packages.config	
@@ -3,7 +3,7 @@
   <package id="Microsoft.AspNet.WebApi.Client" version="5.2.6" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebApi.Core" version="5.2.6" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebApi.Owin" version="5.2.6" targetFramework="net452" />
-  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net452" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="4.0.0" targetFramework="net452" />
   <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net452" />
   <package id="Owin" version="1.0" targetFramework="net452" />