diff --git a/proto/caosdb/acm/v1alpha1/main.proto b/proto/caosdb/acm/v1alpha1/main.proto
index e6a1d9a84600d8eda8babf2e758e51ae8e25f896..2431eeaf4aa0d120a0aa726f7442f4b3ee6f53b8 100644
--- a/proto/caosdb/acm/v1alpha1/main.proto
+++ b/proto/caosdb/acm/v1alpha1/main.proto
@@ -1,8 +1,8 @@
 //
 // This file is a part of the CaosDB Project.
 //
-// Copyright (C) 2021 Timm Fitschen <t.fitschen@indiscale.com>
-// Copyright (C) 2021 IndiScale GmbH <info@indiscale.com>
+// Copyright (C) 2021-2022 Timm Fitschen <t.fitschen@indiscale.com>
+// Copyright (C) 2021-2022 IndiScale GmbH <info@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
diff --git a/proto/caosdb/entity/v1/main.proto b/proto/caosdb/entity/v1/main.proto
index 6380a1ca80d0c942afd4b7ef15f24c24c01ed5fa..9938882b114fd3e5820240760e87cce1ce6d02f4 100644
--- a/proto/caosdb/entity/v1/main.proto
+++ b/proto/caosdb/entity/v1/main.proto
@@ -1,8 +1,8 @@
 //
 // This file is a part of the CaosDB Project.
 //
-// Copyright (C) 2021 Timm Fitschen <t.fitschen@indiscale.com>
-// Copyright (C) 2021 IndiScale GmbH <info@indiscale.com>
+// Copyright (C) 2021-2022 Timm Fitschen <t.fitschen@indiscale.com>
+// Copyright (C) 2021-2022 IndiScale GmbH <info@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