diff --git a/NOTICE b/NOTICE
index 2a133aa5..a6e92bb4 100644
--- a/NOTICE
+++ b/NOTICE
@@ -1,5 +1,5 @@
 empymod
-Copyright 2016-2020 The empymod Developers.
+Copyright 2016-2021 The empymod Developers.
 
 This software was initially (till 01/2017) developed with funding from
 *The Mexican National Council of Science and Technology*
diff --git a/README.rst b/README.rst
index ce4c688c..f6af762a 100644
--- a/README.rst
+++ b/README.rst
@@ -154,7 +154,7 @@ empymod would not exist.
 License information
 ===================
 
-Copyright 2016-2020 The empymod Developers.
+Copyright 2016-2021 The empymod Developers.
 
 Licensed under the Apache License, Version 2.0. See the LICENSE- and
 NOTICE-files or the documentation for more information.
diff --git a/docs/manual.rst b/docs/manual.rst
index 6935b3ee..b6fd63b5 100644
--- a/docs/manual.rst
+++ b/docs/manual.rst
@@ -225,7 +225,7 @@ results of my machine can be found in the `emsig/empymod-bench
 License
 -------
 
-Copyright 2016-2020 The empymod Developers.
+Copyright 2016-2021 The empymod Developers.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/empymod/__init__.py b/empymod/__init__.py
index 44cb93b8..50f67ead 100644
--- a/empymod/__init__.py
+++ b/empymod/__init__.py
@@ -7,7 +7,7 @@
 domain, and various Hankel- and Fourier-transform methods are included to
 transform the responses into the space-frequency and space-time domains.
 """
-# Copyright 2016-2020 The empymod Developers.
+# Copyright 2016-2021 The empymod Developers.
 #
 # This file is part of empymod.
 #
diff --git a/empymod/filters.py b/empymod/filters.py
index 85d66f2f..e7283531 100644
--- a/empymod/filters.py
+++ b/empymod/filters.py
@@ -35,7 +35,7 @@
 .. _SEG-2012-003: https://software.seg.org/2012/0003
 
 """
-# Copyright 2016-2020 The empymod Developers.
+# Copyright 2016-2021 The empymod Developers.
 #
 # This file is part of empymod.
 #
diff --git a/empymod/kernel.py b/empymod/kernel.py
index 4de64d19..4d23d9e5 100644
--- a/empymod/kernel.py
+++ b/empymod/kernel.py
@@ -16,7 +16,7 @@
 root directory for more information regarding the involved licenses.
 
 """
-# Copyright 2016-2020 The empymod Developers.
+# Copyright 2016-2021 The empymod Developers.
 #
 # This file is part of empymod.
 #
diff --git a/empymod/model.py b/empymod/model.py
index 7305dd21..af9aaa6b 100644
--- a/empymod/model.py
+++ b/empymod/model.py
@@ -40,7 +40,7 @@
   :func:`fem`.
 
 """
-# Copyright 2016-2020 The empymod Developers.
+# Copyright 2016-2021 The empymod Developers.
 #
 # This file is part of empymod.
 #
diff --git a/empymod/scripts/__init__.py b/empymod/scripts/__init__.py
index 07c6e5c6..ff01353b 100644
--- a/empymod/scripts/__init__.py
+++ b/empymod/scripts/__init__.py
@@ -1,4 +1,4 @@
-# Copyright 2017-2020 The empymod Developers.
+# Copyright 2016-2021 The empymod Developers.
 #
 # This file is part of empymod.
 #
diff --git a/empymod/scripts/fdesign.py b/empymod/scripts/fdesign.py
index b19f094f..9eb02301 100644
--- a/empymod/scripts/fdesign.py
+++ b/empymod/scripts/fdesign.py
@@ -217,7 +217,7 @@ def rhs(r):
 
 
 """
-# Copyright 2017-2020 The empymod Developers.
+# Copyright 2016-2021 The empymod Developers.
 #
 # This file is part of empymod.
 #
diff --git a/empymod/scripts/tmtemod.py b/empymod/scripts/tmtemod.py
index d1a1c5a3..cec464ad 100644
--- a/empymod/scripts/tmtemod.py
+++ b/empymod/scripts/tmtemod.py
@@ -331,7 +331,7 @@
 
 
 """
-# Copyright 2017-2020 The empymod Developers.
+# Copyright 2016-2021 The empymod Developers.
 #
 # This file is part of empymod.
 #
diff --git a/empymod/transform.py b/empymod/transform.py
index b53489ff..fee9c5ee 100644
--- a/empymod/transform.py
+++ b/empymod/transform.py
@@ -15,7 +15,7 @@
 root directory for more information regarding the involved licenses.
 
 """
-# Copyright 2016-2020 The empymod Developers.
+# Copyright 2016-2021 The empymod Developers.
 #
 # This file is part of empymod.
 #
diff --git a/empymod/utils.py b/empymod/utils.py
index a8fb7ceb..c4a56803 100644
--- a/empymod/utils.py
+++ b/empymod/utils.py
@@ -12,7 +12,7 @@
    3. Internal utilities
 
 """
-# Copyright 2016-2020 The empymod Developers.
+# Copyright 2016-2021 The empymod Developers.
 #
 # This file is part of empymod.
 #