diff --git a/tree/master/cloud/src/solution/AuthWebTestPlugin/packages.config b/tree/master/cloud/src/solution/AuthWebTestPlugin/packages.config
index cc5ae822..9e9356dc 100644
--- a/tree/master/cloud/src/solution/AuthWebTestPlugin/packages.config
+++ b/tree/master/cloud/src/solution/AuthWebTestPlugin/packages.config
@@ -56,7 +56,7 @@
   <package id="Microsoft.Rest.ClientRuntime.Azure" version="3.3.1" targetFramework="net452" />
   <package id="Microsoft.SharePointOnline.CSOM" version="16.1.6112.1200" targetFramework="net452" />
   <package id="NETStandard.Library" version="1.6.1" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net452" />
   <package id="System.Buffers" version="4.3.0" targetFramework="net452" />
   <package id="System.Collections" version="4.3.0" targetFramework="net452" />
   <package id="System.Collections.Concurrent" version="4.3.0" targetFramework="net452" />