diff --git a/DwrUtility.Web/packages.config b/DwrUtility.Web/packages.config
index d12c49c..a2277ec 100644
--- a/DwrUtility.Web/packages.config
+++ b/DwrUtility.Web/packages.config
@@ -10,6 +10,6 @@
   <package id="Microsoft.AspNet.WebPages.zh-Hans" version="3.2.4" targetFramework="net46" />
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="2.0.0" targetFramework="net46" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net46" />
-  <package id="Newtonsoft.Json" version="11.0.1" targetFramework="net46" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net46" />
   <package id="System.Diagnostics.DiagnosticSource" version="4.4.1" targetFramework="net46" />
 </packages>
\ No newline at end of file