diff --git a/README.md b/README.md
index 0ad4c50..703775b 100644
--- a/README.md
+++ b/README.md
@@ -133,7 +133,7 @@ Source code for **PyTextRank** plus its logo, documentation, and examples
 have an [MIT license](https://spdx.org/licenses/MIT.html) which is
 succinct and simplifies use in commercial applications.
 
-All materials herein are Copyright © 2016-2022 Derwen, Inc.
+All materials herein are Copyright © 2016-2023 Derwen, Inc.
 
 
 ## Attribution
@@ -172,6 +172,7 @@ and to our contributors:
 [@clabornd](https://github.com/clabornd),
 [@dayalstrub-cma](https://github.com/dayalstrub-cma),
 [@kavorite](https://github.com/kavorite),
+[@0dB](https://github.com/0dB),
 [@htmartin](https://github.com/htmartin),
 [@williamsmj](https://github.com/williamsmj/),
 [@mattkohl](https://github.com/mattkohl),
diff --git a/docs/ack.md b/docs/ack.md
index 6ef55bb..d13eb91 100644
--- a/docs/ack.md
+++ b/docs/ack.md
@@ -14,6 +14,7 @@ and to our contributors:
 [@clabornd](https://github.com/clabornd),
 [@dayalstrub-cma](https://github.com/dayalstrub-cma),
 [@kavorite](https://github.com/kavorite),
+[@0dB](https://github.com/0dB),
 [@htmartin](https://github.com/htmartin),
 [@williamsmj](https://github.com/williamsmj/),
 [@mattkohl](https://github.com/mattkohl),
@@ -114,7 +115,7 @@ Source code for **pytextrank** plus its logo, documentation, and examples
 have an [MIT license](https://spdx.org/licenses/MIT.html) which is
 succinct and simplifies use in commercial applications.
 
-All materials herein are Copyright © 2016-2022 Derwen, Inc.
+All materials herein are Copyright © 2016-2023 Derwen, Inc.
 
 [![logo for Derwen, Inc.](https://derwen.ai/static/block_logo.png)](https://derwen.ai/)
 
diff --git a/pytextrank/version.py b/pytextrank/version.py
index fda1de5..8319fe2 100644
--- a/pytextrank/version.py
+++ b/pytextrank/version.py
@@ -10,7 +10,7 @@
 ## Python version checking
 
 MIN_PY_VERSION: typing.Tuple = (3, 7,)
-__version__: str = "3.2.4"
+__version__: str = "3.2.5"
 
 
 def _versify (
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 9986714..d9626b9 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -20,6 +20,6 @@ pylint >= 2.7.0
 pytest
 pymdown-extensions
 selenium
+setuptools >= 65.5.1
 twine
-wheel
-
+wheel >= 0.38.0