diff --git a/samples/Xamarin.Forms/Evolve16Labs/05-OAuth/iOS/packages.config b/samples/Xamarin.Forms/Evolve16Labs/05-OAuth/iOS/packages.config
index ce0256848..c705585af 100644
--- a/samples/Xamarin.Forms/Evolve16Labs/05-OAuth/iOS/packages.config
+++ b/samples/Xamarin.Forms/Evolve16Labs/05-OAuth/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="PCLCrypto" version="2.0.147" targetFramework="xamarinios10" />
   <package id="PInvoke.BCrypt" version="0.5.64" targetFramework="xamarinios10" />
   <package id="PInvoke.Kernel32" version="0.5.64" targetFramework="xamarinios10" />