diff --git a/Labs/Snapshot Debugging Quick Start/src/MyCompany.Visitors/MyCompany.Visitors.Web/packages.config b/Labs/Snapshot Debugging Quick Start/src/MyCompany.Visitors/MyCompany.Visitors.Web/packages.config
old mode 100755
new mode 100644
index 0c8d993..a4d907b
--- a/Labs/Snapshot Debugging Quick Start/src/MyCompany.Visitors/MyCompany.Visitors.Web/packages.config	
+++ b/Labs/Snapshot Debugging Quick Start/src/MyCompany.Visitors/MyCompany.Visitors.Web/packages.config	
@@ -40,7 +40,7 @@
   <package id="Microsoft.Data.OData" version="5.6.1" targetFramework="net451" />
   <package id="Microsoft.Data.Services.Client" version="5.6.1" targetFramework="net451" />
   <package id="Microsoft.jQuery.Unobtrusive.Ajax" version="3.0.0" targetFramework="net451" />
-  <package id="Microsoft.Owin" version="2.1.0" targetFramework="net451" />
+  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net451" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="2.1.0" targetFramework="net451" />
   <package id="Microsoft.Owin.Security" version="2.1.0" targetFramework="net451" />
   <package id="Microsoft.Owin.Security.ActiveDirectory" version="2.1.0" targetFramework="net451" />