diff --git a/Chapter.14/StockTicker.Server.Common/packages.config b/Chapter.14/StockTicker.Server.Common/packages.config
index d7d97c77..f4d541ee 100644
--- a/Chapter.14/StockTicker.Server.Common/packages.config
+++ b/Chapter.14/StockTicker.Server.Common/packages.config
@@ -6,7 +6,7 @@
   <package id="Microsoft.AspNet.SignalR.Core" version="2.2.1" targetFramework="net47" />
   <package id="Microsoft.Owin" version="2.1.0" targetFramework="net47" />
   <package id="Microsoft.Owin.Security" version="2.1.0" targetFramework="net47" />
-  <package id="Newtonsoft.Json" version="6.0.4" targetFramework="net47" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net47" />
   <package id="Owin" version="1.0" targetFramework="net47" />
   <package id="System.Collections" version="4.0.11" targetFramework="net47" />
   <package id="System.Console" version="4.0.0" targetFramework="net47" />