diff --git a/src/caosdb/exceptions.py b/src/caosdb/exceptions.py
index f86be16c61f2fa23ca373e0061ec5a480a1f8c19..3aa33dfac5e30dce8d06c24c8c90f27542005063 100644
--- a/src/caosdb/exceptions.py
+++ b/src/caosdb/exceptions.py
@@ -5,6 +5,8 @@
 #
 # Copyright (C) 2018 Research Group Biomedical Physics,
 # Max-Planck-Institute for Dynamics and Self-Organization Göttingen
+# Copyright (C) 2020 Indiscale GmbH <info@indiscale.com>
+# Copyright (C) 2020 Florian Spreckelsen <f.spreckelsen@indiscale.com>
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as