diff --git a/Ext.IdentityServer.Demo.Client/packages.config b/Ext.IdentityServer.Demo.Client/packages.config
index ae2927b..74eafd3 100644
--- a/Ext.IdentityServer.Demo.Client/packages.config
+++ b/Ext.IdentityServer.Demo.Client/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="IdentityModel" version="4.0.0" targetFramework="net461" />
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net461" />
   <package id="System.Text.Encodings.Web" version="4.5.0" targetFramework="net461" />
 </packages>
\ No newline at end of file