diff --git a/CSharp/Domain/CSharpSDK.Domain/packages.config b/CSharp/Domain/CSharpSDK.Domain/packages.config
index cd6c49f..3135ea5 100644
--- a/CSharp/Domain/CSharpSDK.Domain/packages.config
+++ b/CSharp/Domain/CSharpSDK.Domain/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="EntityFramework" version="6.0.2" targetFramework="net461" />
   <package id="LINQKit" version="1.1.2" targetFramework="net461" />
-  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net461" />
   <package id="NExtends" version="1.0.11" targetFramework="net461" />
   <package id="RDD.Domain" version="1.1.3" targetFramework="net461" />
 </packages>
\ No newline at end of file