diff --git a/DotChat/Demo/DotChat.Demo.SignalR/packages.config b/DotChat/Demo/DotChat.Demo.SignalR/packages.config
index cd90276..5dd002b 100644
--- a/DotChat/Demo/DotChat.Demo.SignalR/packages.config
+++ b/DotChat/Demo/DotChat.Demo.SignalR/packages.config
@@ -11,7 +11,7 @@
   <package id="Microsoft.Owin.Host.SystemWeb" version="4.1.0" targetFramework="net48" />
   <package id="Microsoft.Owin.Security" version="2.1.0" targetFramework="net48" />
   <package id="Microsoft.Owin.StaticFiles" version="4.1.0" targetFramework="net48" />
-  <package id="Newtonsoft.Json" version="6.0.4" targetFramework="net48" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net48" />
   <package id="Owin" version="1.0" targetFramework="net48" />
   <package id="System.Runtime.CompilerServices.Unsafe" version="4.5.2" targetFramework="net48" />
   <package id="System.Threading.Tasks.Extensions" version="4.5.2" targetFramework="net48" />