diff --git a/CHANGELOG.md b/CHANGELOG.md
index b83ebee..b40d783 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,8 +5,17 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+###
+
+## [0.5.0] - 2022-09-06
 ###
  - Mention in the README that the doctest directive is supported.
+ - internal: Improve CI setup, from [Tony
+   Narlock](https://www.git-pull.com).
+ - internal: Switch to a src/ structure, from [Tony
+   Narlock](https://www.git-pull.com).
+ - internal: Switch from setup.py to a PEP-621 pyproject.toml, from
+   [Tony Narlock](https://www.git-pull.com).
 
 ## [0.4.0] - 2022-03-30
 ###
diff --git a/pyproject.toml b/pyproject.toml
index 881e698..8557038 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "pytest-sphinx"
-version = "0.4.0"
+version = "0.5.0"
 description = "Doctest plugin for pytest with support for Sphinx-specific doctest-directives"
 readme = "README.rst"
 requires-python = ">=3.7"