diff --git a/include/CL/cl2.hpp b/include/CL/cl2.hpp
index a332962a..cdc4dfbe 100644
--- a/include/CL/cl2.hpp
+++ b/include/CL/cl2.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2020 The Khronos Group Inc.
+// Copyright (c) 2020-2026 The Khronos Group Inc.
 //
 // 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/include/CL/opencl.hpp b/include/CL/opencl.hpp
index ad799167..ff24f1ec 100644
--- a/include/CL/opencl.hpp
+++ b/include/CL/opencl.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2008-2024 The Khronos Group Inc.
+// Copyright (c) 2008-2026 The Khronos Group Inc.
 //
 // 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/tests/test_versions.cpp b/tests/test_versions.cpp
index e0bf91bc..c7035ee4 100644
--- a/tests/test_versions.cpp
+++ b/tests/test_versions.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2023 The Khronos Group Inc.
+// Copyright (c) 2023-2026 The Khronos Group Inc.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.