diff --git a/apps/api/urls.py b/apps/api/urls.py
index bc7a68c7..f18b7895 100644
--- a/apps/api/urls.py
+++ b/apps/api/urls.py
@@ -1,5 +1,5 @@
 # -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.conf.urls import url, include
diff --git a/apps/member/serializers.py b/apps/member/serializers.py
index f16f664d..cb6bcdce 100644
--- a/apps/member/serializers.py
+++ b/apps/member/serializers.py
@@ -1,3 +1,7 @@
+# -*- mode: python; coding: utf-8 -*-
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 from .models import Profile, Club, Role, Membership
 from rest_framework import serializers, viewsets