diff --git a/samples/Networking/CustomProtocol/DemoTest/DemoTest/packages.config b/samples/Networking/CustomProtocol/DemoTest/DemoTest/packages.config
index 82dbf6f..acf7843 100644
--- a/samples/Networking/CustomProtocol/DemoTest/DemoTest/packages.config
+++ b/samples/Networking/CustomProtocol/DemoTest/DemoTest/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Griffin.Framework" version="1.0.23" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="6.0.8" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
 </packages>
\ No newline at end of file