diff --git a/sherpa-onnx/csrc/offline-tts-kokoro-impl.h b/sherpa-onnx/csrc/offline-tts-kokoro-impl.h
index cc46ee385..4c3efbf65 100644
--- a/sherpa-onnx/csrc/offline-tts-kokoro-impl.h
+++ b/sherpa-onnx/csrc/offline-tts-kokoro-impl.h
@@ -1,6 +1,6 @@
 // sherpa-onnx/csrc/offline-tts-kokoro-impl.h
 //
-// Copyright (c)  2024  Xiaomi Corporation
+// Copyright (c)  2025  Xiaomi Corporation
 #ifndef SHERPA_ONNX_CSRC_OFFLINE_TTS_KOKORO_IMPL_H_
 #define SHERPA_ONNX_CSRC_OFFLINE_TTS_KOKORO_IMPL_H_