diff --git a/Chapter09/ProductServiceClient/ProductServiceClient/ProductServiceClient/packages.config b/Chapter09/ProductServiceClient/ProductServiceClient/ProductServiceClient/packages.config
index f42d3d6..f8f1f9b 100644
--- a/Chapter09/ProductServiceClient/ProductServiceClient/ProductServiceClient/packages.config
+++ b/Chapter09/ProductServiceClient/ProductServiceClient/ProductServiceClient/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="Microsoft.AspNet.WebApi.Client" version="5.2.3" targetFramework="net451" />
   <package id="Microsoft.Rest.ClientRuntime" version="0.9.6" targetFramework="net451" />
-  <package id="Newtonsoft.Json" version="6.0.4" targetFramework="net451" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net451" />
   <package id="System.Reactive" version="3.1.1" targetFramework="net451" />
   <package id="System.Reactive.Core" version="3.1.1" targetFramework="net451" />
   <package id="System.Reactive.Interfaces" version="3.1.1" targetFramework="net451" />