diff --git a/samples/Books Web API/Books.Api/packages.config b/samples/Books Web API/Books.Api/packages.config
index 1e3e2057..ee87b636 100644
--- a/samples/Books Web API/Books.Api/packages.config	
+++ b/samples/Books Web API/Books.Api/packages.config	
@@ -30,7 +30,7 @@
   <package id="Microsoft.Owin.Security.Twitter" version="3.0.1" targetFramework="net45" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net45" />
   <package id="Modernizr" version="2.8.3" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
   <package id="Ninject" version="3.2.2.0" targetFramework="net45" />
   <package id="Ninject.Extensions.ContextPreservation" version="3.2.0.0" targetFramework="net45" />
   <package id="Ninject.Extensions.NamedScope" version="3.2.0.0" targetFramework="net45" />