diff --git a/src/Sandbox/packages.config b/src/Sandbox/packages.config
index cc36bfa..bd0faad 100644
--- a/src/Sandbox/packages.config
+++ b/src/Sandbox/packages.config
@@ -3,6 +3,6 @@
   <package id="Fix" version="0.8.0-pre" targetFramework="net40" />
   <package id="Fix.AspNet" version="0.8.0-pre" targetFramework="net40" />
   <package id="jQuery" version="1.7.1" />
-  <package id="Newtonsoft.Json" version="5.0.6" targetFramework="net40" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net40" />
   <package id="xunit" version="1.9.2" targetFramework="net40" />
 </packages>
\ No newline at end of file