diff --git a/Demos/GroupDocs.Annotation.AspNetWebForms/packages.config b/Demos/GroupDocs.Annotation.AspNetWebForms/packages.config
index 1eb96cc..5747462 100644
--- a/Demos/GroupDocs.Annotation.AspNetWebForms/packages.config
+++ b/Demos/GroupDocs.Annotation.AspNetWebForms/packages.config
@@ -19,7 +19,7 @@
   <package id="Microsoft.Net.Compilers" version="1.0.0" targetFramework="net48" developmentDependency="true" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net48" />
   <package id="Modernizr" version="2.6.2" targetFramework="net48" />
-  <package id="Newtonsoft.Json" version="6.0.4" targetFramework="net48" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net48" />
   <package id="Node-Kit" version="11.1.0.1" targetFramework="net48" />
   <package id="Respond" version="1.2.0" targetFramework="net48" />
   <package id="WebGrease" version="1.5.2" targetFramework="net48" />