diff --git a/GoogleRecaptcha.WebMvc/packages.config b/GoogleRecaptcha.WebMvc/packages.config
index f54fe2f..4a04a60 100644
--- a/GoogleRecaptcha.WebMvc/packages.config
+++ b/GoogleRecaptcha.WebMvc/packages.config
@@ -10,5 +10,5 @@
   <package id="Microsoft.AspNet.WebPages" version="2.0.30506.0" targetFramework="net40" />
   <package id="Microsoft.Net.Http" version="2.0.20710.0" targetFramework="net40" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net40" />
-  <package id="Newtonsoft.Json" version="4.5.11" targetFramework="net40" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net40" />
 </packages>
\ No newline at end of file