diff --git a/DeviceManagement/csharp/SendCloudToDeviceMessages/packages.config b/DeviceManagement/csharp/SendCloudToDeviceMessages/packages.config
index e33ee03..a3a0e7b 100644
--- a/DeviceManagement/csharp/SendCloudToDeviceMessages/packages.config
+++ b/DeviceManagement/csharp/SendCloudToDeviceMessages/packages.config
@@ -1,11 +1,11 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.AspNet.WebApi.Client" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebApi.Core" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.Azure.Amqp" version="1.1.5" targetFramework="net452" />
   <package id="Microsoft.Azure.Devices" version="1.0.15" targetFramework="net452" />
   <package id="Mono.Security" version="3.2.3.0" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net452" />
   <package id="PCLCrypto" version="2.0.147" targetFramework="net452" />
   <package id="PInvoke.BCrypt" version="0.3.90" targetFramework="net452" />
   <package id="PInvoke.Kernel32" version="0.3.90" targetFramework="net452" />