diff --git a/src/AttributeRouting.Specs/packages.config b/src/AttributeRouting.Specs/packages.config
index e979864..470af37 100644
--- a/src/AttributeRouting.Specs/packages.config
+++ b/src/AttributeRouting.Specs/packages.config
@@ -7,7 +7,7 @@
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net40" />
   <package id="Moq" version="4.0.10827" targetFramework="net40" />
   <package id="MvcContrib.Mvc3.TestHelper-ci" version="3.0.100.0" targetFramework="net40" />
-  <package id="Newtonsoft.Json" version="4.5.11" targetFramework="net40" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net40" />
   <package id="NUnit" version="2.6.2" targetFramework="net40" />
   <package id="RhinoMocks" version="3.6.1" targetFramework="net40" />
   <package id="SpecFlow" version="1.9.0" targetFramework="net40" />