diff --git a/Chapter-16/NumberConverterApp/NumberConverterService/packages.config b/Chapter-16/NumberConverterApp/NumberConverterService/packages.config
index 14651ea..8b6107b 100644
--- a/Chapter-16/NumberConverterApp/NumberConverterService/packages.config
+++ b/Chapter-16/NumberConverterApp/NumberConverterService/packages.config
@@ -11,7 +11,7 @@
   <package id="Microsoft.ServiceFabric.Data" version="2.8.232" targetFramework="net47" />
   <package id="Microsoft.ServiceFabric.Diagnostics.Internal" version="2.8.232" targetFramework="net47" />
   <package id="Microsoft.ServiceFabric.Services" version="2.8.232" targetFramework="net47" />
-  <package id="Newtonsoft.Json" version="10.0.2" targetFramework="net47" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net47" />
   <package id="System.ComponentModel.EventBasedAsync" version="4.0.11" targetFramework="net47" />
   <package id="System.Diagnostics.DiagnosticSource" version="4.4.0" targetFramework="net47" />
   <package id="System.Dynamic.Runtime" version="4.0.0" targetFramework="net47" />