diff --git a/server_environment/__init__.py b/server_environment/__init__.py
index a098413..52bc6e6 100644
--- a/server_environment/__init__.py
+++ b/server_environment/__init__.py
@@ -1,22 +1,3 @@
-##############################################################################
-#
-#    Adapted by Nicolas Bessi. Copyright Camptocamp SA
-#    Based on Florent Xicluna original code. Copyright Wingo SA
-#
-#    This program is free software: you can redistribute it and/or modify
-#    it under the terms of the GNU General Public License as published by
-#    the Free Software Foundation, either version 3 of the License, or
-#    (at your option) any later version.
-#
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU General Public License for more details.
-#
-#    You should have received a copy of the GNU General Public License
-#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-##############################################################################
 from . import models
 from . import server_env
 from .server_env import serv_config, setboolean
diff --git a/server_environment/__manifest__.py b/server_environment/__manifest__.py
index 7b0cbf2..334e087 100644
--- a/server_environment/__manifest__.py
+++ b/server_environment/__manifest__.py
@@ -1,6 +1,6 @@
 # Copyright Wingo SA
 # Copyright 2018 Camptocamp (https://www.camptocamp.com).
-# License GPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html)
 
 {
     "name": "server configuration environment files",
@@ -9,7 +9,7 @@
     "author": "Camptocamp,Odoo Community Association (OCA)",
     "summary": "move some configurations out of the database",
     "website": "https://github.com/OCA/server-env",
-    "license": "GPL-3 or any later version",
+    "license": "LGPL-3",
     "category": "Tools",
     "data": [
         "security/ir.model.access.csv",
diff --git a/server_environment/models/server_env_mixin.py b/server_environment/models/server_env_mixin.py
index a57f662..112e675 100644
--- a/server_environment/models/server_env_mixin.py
+++ b/server_environment/models/server_env_mixin.py
@@ -1,5 +1,5 @@
 # Copyright 2018 Camptocamp (https://www.camptocamp.com).
-# License GPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html)
 
 import logging
 from functools import partialmethod
diff --git a/server_environment/models/server_env_tech_name_mixin.py b/server_environment/models/server_env_tech_name_mixin.py
index 02736c7..d865184 100644
--- a/server_environment/models/server_env_tech_name_mixin.py
+++ b/server_environment/models/server_env_tech_name_mixin.py
@@ -1,6 +1,6 @@
 # Copyright 2020 Camptocamp (http://www.camptocamp.com)
 # @author Simone Orsi <simahawk@gmail.com>
-# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html)
 
 from odoo import api, fields, models
 
diff --git a/server_environment/security/res_groups.xml b/server_environment/security/res_groups.xml
index 8d1808d..10a082b 100644
--- a/server_environment/security/res_groups.xml
+++ b/server_environment/security/res_groups.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" ?>
+<!--
+    Copyright 2018 Camptocamp (https://www.camptocamp.com).
+    License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html)
+-->
 <odoo>
     <record model="res.groups" id="has_server_configuration_access">
         <field name="name">View Server Environment Configuration</field>
diff --git a/server_environment/server_env.py b/server_environment/server_env.py
index a0b265c..d291609 100644
--- a/server_environment/server_env.py
+++ b/server_environment/server_env.py
@@ -1,8 +1,6 @@
-# Copyright 2020 Camptocamp (http://www.camptocamp.com)
-# @author Nicolas Bessi
 # Based on Florent Xicluna original code. Copyright Wingo SA
-# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
-
+# Adapted by Nicolas Bessi. Copyright Camptocamp SA
+# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html)
 
 import configparser
 import logging
diff --git a/server_environment/system_info.py b/server_environment/system_info.py
index 7b08ce1..00668f8 100644
--- a/server_environment/system_info.py
+++ b/server_environment/system_info.py
@@ -1,22 +1,6 @@
-##############################################################################
-#
-#    Adapted by Nicolas Bessi. Copyright Camptocamp SA
-#    Based on Florent Xicluna original code. Copyright Wingo SA
-#
-#    This program is free software: you can redistribute it and/or modify
-#    it under the terms of the GNU General Public License as published by
-#    the Free Software Foundation, either version 3 of the License, or
-#    (at your option) any later version.
-#
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU General Public License for more details.
-#
-#    You should have received a copy of the GNU General Public License
-#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-##############################################################################
+# Based on Florent Xicluna original code. Copyright Wingo SA
+# Adapted by Nicolas Bessi. Copyright Camptocamp SA
+# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html)
 
 import locale
 import os
diff --git a/server_environment/tests/common.py b/server_environment/tests/common.py
index 519706f..7e13ac0 100644
--- a/server_environment/tests/common.py
+++ b/server_environment/tests/common.py
@@ -1,5 +1,5 @@
 # Copyright 2018 Camptocamp (https://www.camptocamp.com).
-# License GPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html)
 
 import os
 from contextlib import contextmanager
diff --git a/server_environment/tests/test_environment_variable.py b/server_environment/tests/test_environment_variable.py
index 5c21677..4204790 100644
--- a/server_environment/tests/test_environment_variable.py
+++ b/server_environment/tests/test_environment_variable.py
@@ -1,5 +1,5 @@
 # Copyright 2018 Camptocamp (https://www.camptocamp.com).
-# License GPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html)
 
 
 from unittest.mock import patch
diff --git a/server_environment/tests/test_server_environment.py b/server_environment/tests/test_server_environment.py
index 892e94a..0abc84a 100644
--- a/server_environment/tests/test_server_environment.py
+++ b/server_environment/tests/test_server_environment.py
@@ -1,5 +1,6 @@
 # Copyright 2018 Camptocamp (https://www.camptocamp.com).
-# License GPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html)
+
 from unittest.mock import patch
 
 from odoo.tools.config import config as odoo_config