diff --git a/Linq.GridQuery.Test/packages.config b/Linq.GridQuery.Test/packages.config
index 7ecd47f..0aa2b9e 100644
--- a/Linq.GridQuery.Test/packages.config
+++ b/Linq.GridQuery.Test/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net40" requireReinstallation="true" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net40" requireReinstallation="true" />
   <package id="NUnit" version="3.6.1" targetFramework="net40" requireReinstallation="true" />
 </packages>
\ No newline at end of file