diff --git a/conan-recipes/prebuilt/all/conanfile.py b/conan-recipes/prebuilt/all/conanfile.py
index 9a57711e1..285d5b891 100644
--- a/conan-recipes/prebuilt/all/conanfile.py
+++ b/conan-recipes/prebuilt/all/conanfile.py
@@ -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>
+#
 from conan import ConanFile
 from conan.errors import ConanInvalidConfiguration
 from conan.tools.files import copy, download, get