diff --git a/trunk/src/core/srs_core_version5.hpp b/trunk/src/core/srs_core_version5.hpp
index cb0323a99..2e4d3d974 100644
--- a/trunk/src/core/srs_core_version5.hpp
+++ b/trunk/src/core/srs_core_version5.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2033-2033 The SRS Authors
+// Copyright (c) 2013-2023 The SRS Authors
 //
 // SPDX-License-Identifier: MIT
 //