diff --git a/src/logging.rs b/src/logging.rs
index 7b7d1411..6da5ee5f 100644
--- a/src/logging.rs
+++ b/src/logging.rs
@@ -1,3 +1,16 @@
+//
+// Copyright (c) 2024 ZettaScale Technology
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
+// which is available at https://www.apache.org/licenses/LICENSE-2.0.
+//
+// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
+//
+// Contributors:
+//   ZettaScale Zenoh Team, <zenoh@zettascale.tech>
+//
 use std::{
     collections::HashMap,
     sync::{