diff --git a/flex-js-sample/packages.config b/flex-js-sample/packages.config
index 4c2af03..f68e1a8 100644
--- a/flex-js-sample/packages.config
+++ b/flex-js-sample/packages.config
@@ -16,7 +16,7 @@
   <package id="Microsoft.jQuery.Unobtrusive.Validation" version="3.2.4" targetFramework="net461" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net461" />
   <package id="Modernizr" version="2.8.3" targetFramework="net461" />
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net461" />
   <package id="NLog" version="4.6.2" targetFramework="net461" />
   <package id="NUnit" version="3.10.1" targetFramework="net461" />
   <package id="RestSharp" version="106.6.9" targetFramework="net461" />