diff --git a/cpp/include/cudf/strings/char_types/char_types.hpp b/cpp/include/cudf/strings/char_types/char_types.hpp
index 07b3fba291c..1f5b6241850 100644
--- a/cpp/include/cudf/strings/char_types/char_types.hpp
+++ b/cpp/include/cudf/strings/char_types/char_types.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020, NVIDIA CORPORATION.
+ * Copyright (c) 2019-2021, NVIDIA CORPORATION.
  *
  * 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/cpp/include/cudf/strings/convert/convert_floats.hpp b/cpp/include/cudf/strings/convert/convert_floats.hpp
index 951c2615999..d1e00b36f6f 100644
--- a/cpp/include/cudf/strings/convert/convert_floats.hpp
+++ b/cpp/include/cudf/strings/convert/convert_floats.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, NVIDIA CORPORATION.
+ * Copyright (c) 2021, NVIDIA CORPORATION.
  *
  * 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/cpp/include/cudf/strings/convert/convert_integers.hpp b/cpp/include/cudf/strings/convert/convert_integers.hpp
index 2d77d51dd08..1e2fa80b129 100644
--- a/cpp/include/cudf/strings/convert/convert_integers.hpp
+++ b/cpp/include/cudf/strings/convert/convert_integers.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, NVIDIA CORPORATION.
+ * Copyright (c) 2021, NVIDIA CORPORATION.
  *
  * 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/cpp/src/strings/char_types/char_types.cu b/cpp/src/strings/char_types/char_types.cu
index db0319d3ef3..0b384ad0631 100644
--- a/cpp/src/strings/char_types/char_types.cu
+++ b/cpp/src/strings/char_types/char_types.cu
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020, NVIDIA CORPORATION.
+ * Copyright (c) 2019-2021, NVIDIA CORPORATION.
  *
  * 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/cpp/src/strings/convert/convert_integers.cu b/cpp/src/strings/convert/convert_integers.cu
index 23b3c4e6763..5c5032b5c87 100644
--- a/cpp/src/strings/convert/convert_integers.cu
+++ b/cpp/src/strings/convert/convert_integers.cu
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020, NVIDIA CORPORATION.
+ * Copyright (c) 2019-2021, NVIDIA CORPORATION.
  *
  * 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/cpp/tests/strings/integers_tests.cu b/cpp/tests/strings/integers_tests.cu
index 4d7037051cb..d6bf03b3f76 100644
--- a/cpp/tests/strings/integers_tests.cu
+++ b/cpp/tests/strings/integers_tests.cu
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020, NVIDIA CORPORATION.
+ * Copyright (c) 2019-2021, NVIDIA CORPORATION.
  *
  * 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/python/cudf/cudf/_lib/cpp/strings/char_types.pxd b/python/cudf/cudf/_lib/cpp/strings/char_types.pxd
index 1ccb736c581..934269c6f25 100644
--- a/python/cudf/cudf/_lib/cpp/strings/char_types.pxd
+++ b/python/cudf/cudf/_lib/cpp/strings/char_types.pxd
@@ -1,4 +1,4 @@
-# Copyright (c) 2020, NVIDIA CORPORATION.
+# Copyright (c) 2021, NVIDIA CORPORATION.
 
 from libcpp.memory cimport unique_ptr
 from cudf._lib.cpp.column.column_view cimport column_view
diff --git a/python/cudf/cudf/_lib/strings/char_types.pyx b/python/cudf/cudf/_lib/strings/char_types.pyx
index 70347daf5fb..1890e98f956 100644
--- a/python/cudf/cudf/_lib/strings/char_types.pyx
+++ b/python/cudf/cudf/_lib/strings/char_types.pyx
@@ -1,4 +1,4 @@
-# Copyright (c) 2020, NVIDIA CORPORATION.
+# Copyright (c) 2021, NVIDIA CORPORATION.
 
 from libcpp cimport bool
 from libcpp.memory cimport unique_ptr