diff --git a/developer_tools/vpnserver-jsonrpc-clients/vpnserver-jsonrpc-client-csharp/vpnserver-jsonrpc-client-csharp.csproj b/developer_tools/vpnserver-jsonrpc-clients/vpnserver-jsonrpc-client-csharp/vpnserver-jsonrpc-client-csharp.csproj
index 6d97ba0c..361add29 100644
--- a/developer_tools/vpnserver-jsonrpc-clients/vpnserver-jsonrpc-client-csharp/vpnserver-jsonrpc-client-csharp.csproj
+++ b/developer_tools/vpnserver-jsonrpc-clients/vpnserver-jsonrpc-client-csharp/vpnserver-jsonrpc-client-csharp.csproj
@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="2.10.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
 </Project>