diff --git a/autumn-rpc/cross-lang/dotnet/DeepAQ.AutumnRPC.Client/DeepAQ.AutumnRPC.Client.csproj b/autumn-rpc/cross-lang/dotnet/DeepAQ.AutumnRPC.Client/DeepAQ.AutumnRPC.Client.csproj
index 00df3b0..9c5123e 100644
--- a/autumn-rpc/cross-lang/dotnet/DeepAQ.AutumnRPC.Client/DeepAQ.AutumnRPC.Client.csproj
+++ b/autumn-rpc/cross-lang/dotnet/DeepAQ.AutumnRPC.Client/DeepAQ.AutumnRPC.Client.csproj
@@ -4,6 +4,6 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Castle.Core" Version="4.1.1" />
-    <PackageReference Include="Newtonsoft.Json" Version="10.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 </Project>
\ No newline at end of file