diff --git a/Social-Network-REST-Services/SocialNetwork.Services/packages.config b/Social-Network-REST-Services/SocialNetwork.Services/packages.config
index 1813951..50a5051 100644
--- a/Social-Network-REST-Services/SocialNetwork.Services/packages.config
+++ b/Social-Network-REST-Services/SocialNetwork.Services/packages.config
@@ -16,7 +16,7 @@
   <package id="Microsoft.AspNet.WebApi.Owin" version="5.2.3" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebApi.WebHost" version="5.2.3" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net45" />
-  <package id="Microsoft.Owin" version="3.0.1" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Cors" version="3.0.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.0.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Hosting" version="3.0.1" targetFramework="net45" />