diff --git a/libc-test/src/functionalext/sigchain/BUILD.gn b/libc-test/src/functionalext/sigchain/BUILD.gn
index f52fb7efe124d4cee51d617da8c166a203f575fa..bc9ff895cb7d229cb2957c64ab6e83a75398e283 100644
--- a/libc-test/src/functionalext/sigchain/BUILD.gn
+++ b/libc-test/src/functionalext/sigchain/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2022 Huawei Device Co., Ltd.
+# Copyright (c) 2023 Huawei Device Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
diff --git a/libc-test/src/functionalext/sigchain/test_src_functionalext_sigchain.gni b/libc-test/src/functionalext/sigchain/test_src_functionalext_sigchain.gni
index beb39e80b3affee7bdff8d748ceff25ed9a666a8..6a24de1e9f9ad82049553ea96ea8a9e577a3f6bb 100644
--- a/libc-test/src/functionalext/sigchain/test_src_functionalext_sigchain.gni
+++ b/libc-test/src/functionalext/sigchain/test_src_functionalext_sigchain.gni
@@ -1,4 +1,4 @@
-# Copyright (c) 2022 Huawei Device Co., Ltd.
+# Copyright (c) 2023 Huawei Device Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at