diff --git a/VSCode/Chapter15/Ch15_MobileApp/packages.config b/VSCode/Chapter15/Ch15_MobileApp/packages.config
index 54761b5..81fafce 100644
--- a/VSCode/Chapter15/Ch15_MobileApp/packages.config
+++ b/VSCode/Chapter15/Ch15_MobileApp/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="portable45-net45+win8+wpa81" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="portable45-net45+win8+wpa81" />
   <package id="System.Net.Http" version="4.3.4" targetFramework="portable45-net45+win8+wpa81" />
   <package id="Xamarin.Forms" version="2.3.3.193" targetFramework="portable45-net45+win8+wpa81" />
 </packages>
\ No newline at end of file