diff --git a/ndc-sydney-2016/NDC.Build.Tests/packages.config b/ndc-sydney-2016/NDC.Build.Tests/packages.config
index c9c3671..5be186e 100644
--- a/ndc-sydney-2016/NDC.Build.Tests/packages.config
+++ b/ndc-sydney-2016/NDC.Build.Tests/packages.config
@@ -3,7 +3,7 @@
   <package id="Caliburn.Micro.Core" version="3.0.1" targetFramework="net452" />
   <package id="Castle.Core" version="3.3.3" targetFramework="net452" />
   <package id="Moq" version="4.5.13" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net452" />
   <package id="xunit" version="2.1.0" targetFramework="net452" />
   <package id="xunit.abstractions" version="2.0.0" targetFramework="net452" />
   <package id="xunit.assert" version="2.1.0" targetFramework="net452" />