diff --git a/Azure App Service WebSite/TechNightTweetViewer/packages.config b/Azure App Service WebSite/TechNightTweetViewer/packages.config
index b9949be..788b234 100644
--- a/Azure App Service WebSite/TechNightTweetViewer/packages.config	
+++ b/Azure App Service WebSite/TechNightTweetViewer/packages.config	
@@ -17,7 +17,7 @@
   <package id="Microsoft.AspNet.WebApi.WebHost" version="5.1.2" targetFramework="net45" userInstalled="true" />
   <package id="Microsoft.AspNet.WebPages" version="3.1.2" targetFramework="net45" userInstalled="true" />
   <package id="Microsoft.jQuery.Unobtrusive.Validation" version="3.1.2" targetFramework="net45" userInstalled="true" />
-  <package id="Microsoft.Owin" version="2.1.0" targetFramework="net45" userInstalled="true" />
+  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net45" userInstalled="true" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="2.1.0" targetFramework="net45" userInstalled="true" />
   <package id="Microsoft.Owin.Security" version="2.1.0" targetFramework="net45" userInstalled="true" />
   <package id="Microsoft.Owin.Security.Cookies" version="2.1.0" targetFramework="net45" userInstalled="true" />