diff --git a/SignalR_Demo/Client-Web/packages.config b/SignalR_Demo/Client-Web/packages.config
index 739030f6..8e126358 100644
--- a/SignalR_Demo/Client-Web/packages.config
+++ b/SignalR_Demo/Client-Web/packages.config
@@ -22,7 +22,7 @@
   <package id="Microsoft.jQuery.Unobtrusive.Validation" version="3.2.4" targetFramework="net461" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net461" />
   <package id="Modernizr" version="2.8.3" targetFramework="net461" />
-  <package id="Newtonsoft.Json" version="11.0.1" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net461" />
   <package id="System.Diagnostics.DiagnosticSource" version="4.4.1" targetFramework="net461" />
   <package id="WebGrease" version="1.6.0" targetFramework="net461" />
 </packages>
\ No newline at end of file