diff --git a/NOTICE b/NOTICE
index 0a49a2e..439eff3 100644
--- a/NOTICE
+++ b/NOTICE
@@ -1,5 +1,5 @@
 Video2X
-Copyright (c) 2018-2023 K4YT3X and contributors.
+Copyright (C) 2018-2024 K4YT3X and contributors.
 
 This product depends on FFmpeg, which is available under
 the GNU Lesser General Public License 2.1. The source code can be found at
diff --git a/README.md b/README.md
index 9d25d25..7521a48 100644
--- a/README.md
+++ b/README.md
@@ -76,7 +76,7 @@ Copyright of this clip belongs to 株式会社アニプレックス.
 ## License
 
 This project is licensed under the [GNU Affero General Public License Version 3 (GNU AGPL v3)](https://www.gnu.org/licenses/agpl-3.0.txt)\
-Copyright (c) 2018-2023 K4YT3X and contributors.
+Copyright (C) 2018-2024 K4YT3X and contributors.
 
 ![AGPLv3](https://www.gnu.org/graphics/agplv3-155x51.png)
 
diff --git a/video2x/__init__.py b/video2x/__init__.py
index 7b6c8b6..30f1cfd 100755
--- a/video2x/__init__.py
+++ b/video2x/__init__.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 """
-Copyright (C) 2018-2023 K4YT3X and contributors.
+Copyright (C) 2018-2024 K4YT3X and contributors.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as
diff --git a/video2x/__main__.py b/video2x/__main__.py
index 6e05500..22174df 100755
--- a/video2x/__main__.py
+++ b/video2x/__main__.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 """
-Copyright (C) 2018-2023 K4YT3X and contributors.
+Copyright (C) 2018-2024 K4YT3X and contributors.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as
@@ -187,7 +187,7 @@ def main() -> int:
         # print package version and copyright notice
         logger.opt(colors=True).info(f"<magenta>Video2X {__version__}</magenta>")
         logger.opt(colors=True).info(
-            "<magenta>Copyright (C) 2018-2023 K4YT3X and contributors.</magenta>"
+            "<magenta>Copyright (C) 2018-2024 K4YT3X and contributors.</magenta>"
         )
 
         # initialize video2x object
diff --git a/video2x/decoder.py b/video2x/decoder.py
index a5c64a4..0fbe1fb 100755
--- a/video2x/decoder.py
+++ b/video2x/decoder.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 """
-Copyright (C) 2018-2023 K4YT3X and contributors.
+Copyright (C) 2018-2024 K4YT3X and contributors.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as
diff --git a/video2x/encoder.py b/video2x/encoder.py
index 11b36c8..586bc3e 100755
--- a/video2x/encoder.py
+++ b/video2x/encoder.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 """
-Copyright (C) 2018-2023 K4YT3X and contributors.
+Copyright (C) 2018-2024 K4YT3X and contributors.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as
diff --git a/video2x/interpolator.py b/video2x/interpolator.py
index 4ed8bb6..d9a5edb 100755
--- a/video2x/interpolator.py
+++ b/video2x/interpolator.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 """
-Copyright (C) 2018-2023 K4YT3X and contributors.
+Copyright (C) 2018-2024 K4YT3X and contributors.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as
diff --git a/video2x/pipe_printer.py b/video2x/pipe_printer.py
index fa9acfd..c9e3946 100755
--- a/video2x/pipe_printer.py
+++ b/video2x/pipe_printer.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 """
-Copyright (C) 2018-2023 K4YT3X and contributors.
+Copyright (C) 2018-2024 K4YT3X and contributors.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as
diff --git a/video2x/processor.py b/video2x/processor.py
index 2ba22f3..4db621e 100755
--- a/video2x/processor.py
+++ b/video2x/processor.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 """
-Copyright (C) 2018-2023 K4YT3X and contributors.
+Copyright (C) 2018-2024 K4YT3X and contributors.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as
diff --git a/video2x/upscaler.py b/video2x/upscaler.py
index 697a553..f6177d6 100755
--- a/video2x/upscaler.py
+++ b/video2x/upscaler.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 """
-Copyright (C) 2018-2023 K4YT3X and contributors.
+Copyright (C) 2018-2024 K4YT3X and contributors.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as
diff --git a/video2x/video2x.py b/video2x/video2x.py
index 325c2f1..eb3b863 100755
--- a/video2x/video2x.py
+++ b/video2x/video2x.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 r"""
-Copyright (C) 2018-2023 K4YT3X and contributors.
+Copyright (C) 2018-2024 K4YT3X and contributors.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as