diff --git a/Chapter02/03 - Nuget/ContactTest/packages.config b/Chapter02/03 - Nuget/ContactTest/packages.config
index d8ebbff..6639758 100644
--- a/Chapter02/03 - Nuget/ContactTest/packages.config	
+++ b/Chapter02/03 - Nuget/ContactTest/packages.config	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Contact" version="1.0.0" targetFramework="net471" />
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net471" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net471" />
   <package id="NodaTime" version="2.2.6" targetFramework="net471" />
 </packages>
\ No newline at end of file