diff --git a/src/Cooper.Sync.Test/packages.config b/src/Cooper.Sync.Test/packages.config
index 16fea50..34120a0 100644
--- a/src/Cooper.Sync.Test/packages.config
+++ b/src/Cooper.Sync.Test/packages.config
@@ -7,7 +7,7 @@
   <package id="FluentNHibernate" version="1.3.0.733" />
   <package id="Iesi.Collections" version="3.2.0.4000" />
   <package id="log4net" version="2.0.0" />
-  <package id="Newtonsoft.Json" version="4.0.8" />
+  <package id="Newtonsoft.Json" version="13.0.1" />
   <package id="NHibernate" version="3.3.1.4000" />
   <package id="NUnit" version="2.6.0.12054" />
 </packages>
\ No newline at end of file