diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index d06040d..1d0d8a0 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,21 @@
 Changelog
 =========
 
+`2023.5 <https://github.com/python/python-docs-theme/releases/tag/v2023.5>`_
+----------------------------------------------------------------------------
+
+- Add a dark theme. (#44)
+  Contributed by Nils K
+- Fix: Remove searchbox id from form. (fixes #117)
+  Contributed by Nils K
+- Update ``python-docs-theme`` to work with Sphinx 5 & 6. (#99 & #127)
+  Contributed by Adam Turner
+- Override font for ``.sig`` for consistency with other code blocks. (#121)
+  Contributed by Chris Warrick
+- Dark mode: add class to invert image brightness. (#128)
+  Contributed by Hugo van Kemenade
+
+
 `2023.3.1 <https://github.com/python/python-docs-theme/releases/tag/v2023.3.1>`_
 --------------------------------------------------------------------------------
 
diff --git a/pyproject.toml b/pyproject.toml
index f0296e5..5f93a6b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ build-backend = "flit_core.buildapi"
 # project metadata
 [project]
 name = "python-docs-theme"
-version = "2023.3.1"
+version = "2023.5"
 description = "The Sphinx theme for the CPython docs and related projects"
 readme = "README.rst"
 urls.Code = "https://github.com/python/python-docs-theme"