diff --git a/okex-cs-sdk-api/SampleCS/packages.config b/okex-cs-sdk-api/SampleCS/packages.config
index c7e6f88..f06a8ac 100644
--- a/okex-cs-sdk-api/SampleCS/packages.config
+++ b/okex-cs-sdk-api/SampleCS/packages.config
@@ -4,5 +4,5 @@
   <package id="Microsoft.Bcl.Async" version="1.0.168" targetFramework="net45" />
   <package id="Microsoft.Bcl.Build" version="1.0.21" targetFramework="net45" />
   <package id="Microsoft.Net.Http" version="2.2.29" 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