diff --git a/lib/socks_socket.dart b/lib/socks_socket.dart
index 23bd5f8..ef47bde 100644
--- a/lib/socks_socket.dart
+++ b/lib/socks_socket.dart
@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2024 Cypher Stack LLC
+// 
+// SPDX-License-Identifier: MIT
+
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';