diff --git a/qiskit_machine_learning/neural_networks/estimator_qnn.py b/qiskit_machine_learning/neural_networks/estimator_qnn.py
index b2f05e655..d0c8d2d7d 100644
--- a/qiskit_machine_learning/neural_networks/estimator_qnn.py
+++ b/qiskit_machine_learning/neural_networks/estimator_qnn.py
@@ -1,6 +1,6 @@
 # This code is part of a Qiskit project.
 #
-# (C) Copyright IBM 2022, 2023.
+# (C) Copyright IBM 2022, 2024.
 #
 # This code is licensed under the Apache License, Version 2.0. You may
 # obtain a copy of this license in the LICENSE.txt file in the root directory
diff --git a/qiskit_machine_learning/neural_networks/neural_network.py b/qiskit_machine_learning/neural_networks/neural_network.py
index 67459f109..651abf4ae 100644
--- a/qiskit_machine_learning/neural_networks/neural_network.py
+++ b/qiskit_machine_learning/neural_networks/neural_network.py
@@ -1,6 +1,6 @@
 # This code is part of a Qiskit project.
 #
-# (C) Copyright IBM 2020, 2023.
+# (C) Copyright IBM 2020, 2024.
 #
 # This code is licensed under the Apache License, Version 2.0. You may
 # obtain a copy of this license in the LICENSE.txt file in the root directory
diff --git a/qiskit_machine_learning/neural_networks/sampler_qnn.py b/qiskit_machine_learning/neural_networks/sampler_qnn.py
index 9fc2d52d3..61930e2fa 100644
--- a/qiskit_machine_learning/neural_networks/sampler_qnn.py
+++ b/qiskit_machine_learning/neural_networks/sampler_qnn.py
@@ -1,6 +1,6 @@
 # This code is part of a Qiskit project.
 #
-# (C) Copyright IBM 2022, 2023.
+# (C) Copyright IBM 2022, 2024.
 #
 # This code is licensed under the Apache License, Version 2.0. You may
 # obtain a copy of this license in the LICENSE.txt file in the root directory
diff --git a/test/neural_networks/test_estimator_qnn.py b/test/neural_networks/test_estimator_qnn.py
index fc80e8e1e..566329f27 100644
--- a/test/neural_networks/test_estimator_qnn.py
+++ b/test/neural_networks/test_estimator_qnn.py
@@ -1,6 +1,6 @@
 # This code is part of a Qiskit project.
 #
-# (C) Copyright IBM 2022, 2023.
+# (C) Copyright IBM 2022, 2024.
 #
 # This code is licensed under the Apache License, Version 2.0. You may
 # obtain a copy of this license in the LICENSE.txt file in the root directory