diff --git a/MYOB.API.SDK/SDK.Test/packages.config b/MYOB.API.SDK/SDK.Test/packages.config
index 2071d2f..665362c 100644
--- a/MYOB.API.SDK/SDK.Test/packages.config
+++ b/MYOB.API.SDK/SDK.Test/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="Nancy" version="1.2.0" targetFramework="net45" />
   <package id="Nancy.Hosting.Self" version="1.2.0" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
   <package id="NSubstitute" version="1.8.2.0" targetFramework="net45" />
   <package id="NUnit" version="3.13.1" targetFramework="net45" />
   <package id="NUnit.ConsoleRunner" version="3.12.0" targetFramework="net45" />