diff --git a/src/t2iapi/device/service.proto b/src/t2iapi/device/service.proto
index caa16b4..205319b 100644
--- a/src/t2iapi/device/service.proto
+++ b/src/t2iapi/device/service.proto
@@ -1,6 +1,6 @@
 /*
 This Source Code Form is subject to the terms of the MIT License.
-Copyright (c) 2022, 2024 Draegerwerk AG & Co. KGaA.
+Copyright (c) 2022, 2023, 2024 Draegerwerk AG & Co. KGaA.
 
 SPDX-License-Identifier: MIT
 */
diff --git a/src/t2iapi/device/types.proto b/src/t2iapi/device/types.proto
index 14e0d2d..90979af 100644
--- a/src/t2iapi/device/types.proto
+++ b/src/t2iapi/device/types.proto
@@ -1,6 +1,6 @@
 /*
 This Source Code Form is subject to the terms of the MIT License.
-Copyright (c) 2022 - 2024 Draegerwerk AG & Co. KGaA.
+Copyright (c) 2022, 2023, 2024 Draegerwerk AG & Co. KGaA.
 
 SPDX-License-Identifier: MIT
 */