diff --git a/back/LICENSE b/back/LICENSE
index a9d1e81..c9e3876 100644
--- a/back/LICENSE
+++ b/back/LICENSE
@@ -1,6 +1,16 @@
-PROPIETARY licence
+MPL v2 license
 ==================
 
 Copyright at Edouard DUPIN
 
-you have no right
\ No newline at end of file
+Licensed under the Mozilla Public License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    https://www.mozilla.org/en-US/MPL/2.0/
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
diff --git a/readme.md b/readme.md
index 5917f06..405599c 100644
--- a/readme.md
+++ b/readme.md
@@ -11,6 +11,24 @@ Karanage
   - for docker check
 
 
+License
+=======
+
+Copyright karanage-interface Edouard DUPIN
+
+Licensed under the Mozilla Public License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    https://www.mozilla.org/en-US/MPL/2.0/
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+
 Run and install:
 ================