diff --git a/ASPNet_MoveShapeDemo_SignalR/packages.config b/ASPNet_MoveShapeDemo_SignalR/packages.config
index 50ed74b..95e3089 100644
--- a/ASPNet_MoveShapeDemo_SignalR/packages.config
+++ b/ASPNet_MoveShapeDemo_SignalR/packages.config
@@ -11,6 +11,6 @@
   <package id="Microsoft.Owin.Host.SystemWeb" version="4.0.0" targetFramework="net461" />
   <package id="Microsoft.Owin.Security" version="4.0.0" targetFramework="net461" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net461" />
-  <package id="Newtonsoft.Json" version="11.0.1" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net461" />
   <package id="Owin" version="1.0" targetFramework="net461" />
 </packages>
\ No newline at end of file