diff --git a/samples/twilio/ApiAiService/packages.config b/samples/twilio/ApiAiService/packages.config
old mode 100755
new mode 100644
index 8e2b4ca..a72be14
--- a/samples/twilio/ApiAiService/packages.config
+++ b/samples/twilio/ApiAiService/packages.config
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="ApiAiSDK" version="1.2.1" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebApi" version="5.0.0" targetFramework="net45" />
@@ -8,7 +8,7 @@
   <package id="Microsoft.Data.Edm" version="5.2.0" targetFramework="net45" />
   <package id="Microsoft.Data.OData" version="5.2.0" targetFramework="net45" />
   <package id="Microsoft.WindowsAzure.ConfigurationManager" version="2.0.1.0" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="6.0.8" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
   <package id="RestSharp" version="105.0.1" targetFramework="net45" />
   <package id="System.Spatial" version="5.2.0" targetFramework="net45" />
   <package id="Twilio" version="4.0.2" targetFramework="net45" />