diff --git a/gen1-sample/csharp-tsi-gen1-sample/packages.config b/gen1-sample/csharp-tsi-gen1-sample/packages.config
index 0a2fb85..e97a5a3 100644
--- a/gen1-sample/csharp-tsi-gen1-sample/packages.config
+++ b/gen1-sample/csharp-tsi-gen1-sample/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.IdentityModel.Clients.ActiveDirectory" version="3.13.9" />
-  <package id="Newtonsoft.Json" version="9.0.1" />
+  <package id="Newtonsoft.Json" version="13.0.1" />
 </packages>
\ No newline at end of file