diff --git a/README.md b/README.md
index 0398254..cc20260 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,24 @@
 # UMS
+
 Universal Mail System for GNU/Linux systems
+
+# License
+
+Universal Mail System for GNU/Linux systems
+
+Copyright (C) 2023-2024 Masscollabs Services
+
+Copyright (C) 2023-2024 amassivus and contributors
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.