diff --git a/resolve/util.py b/resolve/util.py
index 754d82ac4ced29f1e4abe97d2c5087dc16fcc006..8bb5d71f8ab5c36ba1c0a54d263b6ef9a6229b6e 100644
--- a/resolve/util.py
+++ b/resolve/util.py
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
-# Copyright(C) 2020 Max-Planck-Society
+# Copyright(C) 2020-2021 Max-Planck-Society
 # Author: Philipp Arras
 
 import matplotlib.pyplot as plt