diff --git a/csharp-sdk-7.2.4/src/Qiniu/packages.config b/csharp-sdk-7.2.4/src/Qiniu/packages.config
index 990eb0c..b776051 100644
--- a/csharp-sdk-7.2.4/src/Qiniu/packages.config
+++ b/csharp-sdk-7.2.4/src/Qiniu/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net46" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net46" />
 </packages>
\ No newline at end of file