diff --git a/Samples/IoTConnector/CS/IoTConnectorXamarin/XamarinIoTViewer/XamarinIoTViewer/XamarinIoTViewer/packages.config b/Samples/IoTConnector/CS/IoTConnectorXamarin/XamarinIoTViewer/XamarinIoTViewer/XamarinIoTViewer/packages.config
index 263449fcb..8f57aaac3 100644
--- a/Samples/IoTConnector/CS/IoTConnectorXamarin/XamarinIoTViewer/XamarinIoTViewer/XamarinIoTViewer/packages.config
+++ b/Samples/IoTConnector/CS/IoTConnectorXamarin/XamarinIoTViewer/XamarinIoTViewer/XamarinIoTViewer/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.Azure.Devices.Client.PCL" version="1.0.13" targetFramework="portable45-net45+win8+wpa81" />
-  <package id="Newtonsoft.Json" version="6.0.8" targetFramework="portable45-net45+win8+wpa81" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="portable45-net45+win8+wpa81" />
   <package id="PCLCrypto" version="1.0.86" targetFramework="portable45-net45+win8+wpa81" />
   <package id="Validation" version="2.0.6.15003" targetFramework="portable45-net45+win8+wpa81" />
   <package id="WindowsAzure.ServiceBus" version="3.2.4" targetFramework="portable45-net45+win8+wpa81" />