diff --git a/Src/Smallcode.Net.Test/packages.config b/Src/Smallcode.Net.Test/packages.config
index 43c2ed6..acfc214 100644
--- a/Src/Smallcode.Net.Test/packages.config
+++ b/Src/Smallcode.Net.Test/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Machine.Specifications" version="0.5.12" targetFramework="net40" />
-  <package id="Newtonsoft.Json" version="5.0.5" targetFramework="net40" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net40" />
   <package id="RhinoMocks" version="3.6.1" targetFramework="net40" />
 </packages>
\ No newline at end of file