diff --git a/Xamarin.Azure.Backend/packages.config b/Xamarin.Azure.Backend/packages.config
old mode 100755
new mode 100644
index 210a087..b555d58
--- a/Xamarin.Azure.Backend/packages.config
+++ b/Xamarin.Azure.Backend/packages.config
@@ -31,7 +31,7 @@
   <package id="Microsoft.ProjectOxford.Common" version="1.0.308" targetFramework="net45" />
   <package id="Microsoft.ProjectOxford.Emotion" version="1.0.310" targetFramework="net45" />
   <package id="Microsoft.WindowsAzure.ConfigurationManager" version="3.1.0" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="8.0.2" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
   <package id="Owin" version="1.0" targetFramework="net45" />
   <package id="System.IdentityModel.Tokens.Jwt" version="4.0.2.205111437" targetFramework="net45" />
   <package id="System.Spatial" version="5.6.4" targetFramework="net45" />