diff --git a/samples/RecaptchaMVCSample/packages.config b/samples/RecaptchaMVCSample/packages.config
index f5f1d91..b75ebcf 100644
--- a/samples/RecaptchaMVCSample/packages.config
+++ b/samples/RecaptchaMVCSample/packages.config
@@ -14,5 +14,5 @@
   <package id="Microsoft.AspNet.WebApi.WebHost" version="5.2.7" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.7" targetFramework="net45" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="12.0.3" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
 </packages>
\ No newline at end of file