diff --git a/L4-P2.3-5 MVC-IoC-Autofac/L4-P1-5/packages.config b/L4-P2.3-5 MVC-IoC-Autofac/L4-P1-5/packages.config
index 08dd91d..67a4e23 100644
--- a/L4-P2.3-5 MVC-IoC-Autofac/L4-P1-5/packages.config	
+++ b/L4-P2.3-5 MVC-IoC-Autofac/L4-P1-5/packages.config	
@@ -15,7 +15,7 @@
   <package id="Microsoft.jQuery.Unobtrusive.Validation" version="3.2.4" targetFramework="net472" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net472" />
   <package id="Modernizr" version="2.8.3" targetFramework="net472" />
-  <package id="Newtonsoft.Json" version="11.0.1" targetFramework="net472" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net472" />
   <package id="System.Diagnostics.DiagnosticSource" version="4.4.1" targetFramework="net472" />
   <package id="WebGrease" version="1.6.0" targetFramework="net472" />
 </packages>
\ No newline at end of file