diff --git a/Labs/Build Smarter Apps with Xamarin & the Intelligent Cloud/src/iOS/packages.config b/Labs/Build Smarter Apps with Xamarin & the Intelligent Cloud/src/iOS/packages.config
old mode 100755
new mode 100644
index 42d153e..914ee88
--- a/Labs/Build Smarter Apps with Xamarin & the Intelligent Cloud/src/iOS/packages.config	
+++ b/Labs/Build Smarter Apps with Xamarin & the Intelligent Cloud/src/iOS/packages.config	
@@ -4,7 +4,7 @@
   <package id="Microsoft.NETCore.Platforms" version="1.1.0" targetFramework="xamarinios10" />
   <package id="Microsoft.Win32.Primitives" version="4.3.0" targetFramework="xamarinios10" />
   <package id="NETStandard.Library" version="1.6.1" targetFramework="xamarinios10" />
-  <package id="Newtonsoft.Json" version="10.0.2" targetFramework="xamarinios10" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="xamarinios10" />
   <package id="System.AppContext" version="4.3.0" targetFramework="xamarinios10" />
   <package id="System.Collections" version="4.3.0" targetFramework="xamarinios10" />
   <package id="System.Collections.Concurrent" version="4.3.0" targetFramework="xamarinios10" />