diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index c7ec14c..e591711 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -10,6 +10,8 @@ What's new in version 0.8
 - Added `subsets` attribute to QueryResult. (:issue:`198`)
 - Fixed a bug where more than 64 categories could result in an error. (:issue:`193`)
 
+Patch release 0.8.1 handles deprecations in dependencies.
+
 What's new in version 0.7
 -------------------------
 
diff --git a/LICENSE b/LICENSE
index 978b52a..3ee3098 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 New BSD License
 
-Copyright (c) 2018 Joel Nothman.
+Copyright (c) 2018-2023 Joel Nothman.
 All rights reserved.
 
 
diff --git a/doc/conf.py b/doc/conf.py
index 5cdde3e..92a2790 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -67,7 +67,7 @@
 
 # General information about the project.
 project = u'upsetplot'
-copyright = u'2018-2022, Joel Nothman'
+copyright = u'2018-2023, Joel Nothman'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the