diff --git a/VB_USSD_Sample/packages.config b/VB_USSD_Sample/packages.config
index fdb0835..5f6918a 100644
--- a/VB_USSD_Sample/packages.config
+++ b/VB_USSD_Sample/packages.config
@@ -6,5 +6,5 @@
   <package id="Microsoft.AspNet.WebApi.WebHost" version="5.2.3" targetFramework="net45" />
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.0" targetFramework="net45" />
   <package id="Microsoft.Net.Compilers" version="1.0.0" targetFramework="net45" developmentDependency="true" />
-  <package id="Newtonsoft.Json" version="6.0.4" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
 </packages>
\ No newline at end of file