diff --git a/WebAPI/CSharp/FLY 4.0/FLY/packages.config b/WebAPI/CSharp/FLY 4.0/FLY/packages.config
index ba2d1031..841b854a 100644
--- a/WebAPI/CSharp/FLY 4.0/FLY/packages.config	
+++ b/WebAPI/CSharp/FLY 4.0/FLY/packages.config	
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.Rest.ClientRuntime" version="2.3.6" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="12.0.1" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net45" />
 </packages>
\ No newline at end of file