diff --git a/python/cudf/cudf/core/scalar.py b/python/cudf/cudf/core/scalar.py
index d8b49cc6eb7..a3467e6fbe0 100644
--- a/python/cudf/cudf/core/scalar.py
+++ b/python/cudf/cudf/core/scalar.py
@@ -1,4 +1,5 @@
-# Copyright (c) 2020, NVIDIA CORPORATION.
+# Copyright (c) 2020-2021, NVIDIA CORPORATION.
+
 import numpy as np
 
 from cudf._lib.scalar import DeviceScalar, _is_null_host_scalar
diff --git a/python/cudf/cudf/tests/test_applymap.py b/python/cudf/cudf/tests/test_applymap.py
index 1bb4c263418..1f35bc93c78 100644
--- a/python/cudf/cudf/tests/test_applymap.py
+++ b/python/cudf/cudf/tests/test_applymap.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2018, NVIDIA CORPORATION.
+# Copyright (c) 2018-2021, NVIDIA CORPORATION.
 
 from itertools import product
 from math import floor
diff --git a/python/cudf/cudf/tests/test_pandas_interop.py b/python/cudf/cudf/tests/test_pandas_interop.py
index 6dd50f133c1..24c60f12a2f 100644
--- a/python/cudf/cudf/tests/test_pandas_interop.py
+++ b/python/cudf/cudf/tests/test_pandas_interop.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2018-2020, NVIDIA CORPORATION.
+# Copyright (c) 2018-2021, NVIDIA CORPORATION.
 
 import numpy as np
 import pandas as pd
diff --git a/python/cudf/cudf/tests/utils.py b/python/cudf/cudf/tests/utils.py
index 63608f9e5d1..1163c3085e4 100644
--- a/python/cudf/cudf/tests/utils.py
+++ b/python/cudf/cudf/tests/utils.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2020, NVIDIA CORPORATION.
+# Copyright (c) 2020-2021, NVIDIA CORPORATION.
 
 import re
 from collections.abc import Mapping, Sequence