diff --git a/Solutions/MSpecTests.SharpArchCookbook/packages.config b/Solutions/MSpecTests.SharpArchCookbook/packages.config
index afe4e0e..be8a45c 100644
--- a/Solutions/MSpecTests.SharpArchCookbook/packages.config
+++ b/Solutions/MSpecTests.SharpArchCookbook/packages.config
@@ -5,7 +5,7 @@
   <package id="Iesi.Collections" version="3.3.3.4001" targetFramework="net40" />
   <package id="Mvc3Futures" version="3.0.20105.0" />
   <package id="MvcContrib.Mvc3-ci" version="3.0.100.0" targetFramework="net40" />
-  <package id="Newtonsoft.Json" version="5.0.8" targetFramework="net40" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net40" />
   <package id="NHibernate" version="3.3.3.4001" targetFramework="net40" />
   <package id="RhinoMocks" version="3.6.1" targetFramework="net40" />
   <package id="SharpArch.Domain" version="2.1.2" targetFramework="net40" />