diff --git a/Advanced/PageAndRDL/Calendar/TestViewer/packages.config b/Advanced/PageAndRDL/Calendar/TestViewer/packages.config
index f7b2e9d..7dd9b6d 100644
--- a/Advanced/PageAndRDL/Calendar/TestViewer/packages.config
+++ b/Advanced/PageAndRDL/Calendar/TestViewer/packages.config
@@ -20,7 +20,7 @@
   <package id="GrapeCity.Documents.DX.Windows" version="3.2.0.560" targetFramework="net462" />
   <package id="GrapeCity.Documents.Imaging" version="3.2.0.560" targetFramework="net462" />
   <package id="Microsoft.CSharp" version="4.4.1" targetFramework="net462" />
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net462" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net462" />
   <package id="System.Buffers" version="4.4.0" targetFramework="net462" />
   <package id="System.Configuration.ConfigurationManager" version="4.4.1" targetFramework="net462" />
   <package id="System.Data.Odbc" version="4.5.0" targetFramework="net462" />