diff --git a/samples/BackendServer/packages.config b/samples/BackendServer/packages.config
index daf65d0..8c254c2 100644
--- a/samples/BackendServer/packages.config
+++ b/samples/BackendServer/packages.config
@@ -11,6 +11,6 @@
   <package id="Microsoft.Owin" version="4.1.0" targetFramework="net48" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="4.1.0" targetFramework="net48" />
   <package id="Microsoft.Owin.Security" version="4.1.0" targetFramework="net48" />
-  <package id="Newtonsoft.Json" version="12.0.3" targetFramework="net48" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net48" />
   <package id="Owin" version="1.0" targetFramework="net462" />
 </packages>
\ No newline at end of file