diff --git a/Chapter09/FlixOne.BookStore.ProductService/FlixOne.BookStore.ProductService/packages.config b/Chapter09/FlixOne.BookStore.ProductService/FlixOne.BookStore.ProductService/packages.config
index 3a3b04e..a35ea6d 100644
--- a/Chapter09/FlixOne.BookStore.ProductService/FlixOne.BookStore.ProductService/packages.config
+++ b/Chapter09/FlixOne.BookStore.ProductService/FlixOne.BookStore.ProductService/packages.config
@@ -8,7 +8,7 @@
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.4" targetFramework="net46" />
   <package id="Microsoft.Net.Compilers" version="2.1.0" targetFramework="net46" developmentDependency="true" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net46" />
-  <package id="Newtonsoft.Json" version="10.0.2" targetFramework="net46" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net46" />
   <package id="Swashbuckle" version="5.5.3" targetFramework="net46" />
   <package id="Swashbuckle.Core" version="5.5.3" targetFramework="net46" />
   <package id="System.Reactive" version="3.1.1" targetFramework="net46" />