diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8184660..a24e4fa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to tailbone-corepos will be documented in this file.
 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).
 
+## [0.1.18] - 2023-05-17
+### Changed
+- Replace `setup.py` contents with `setup.cfg`.
+
 ## [0.1.17] - 2023-05-08
 ### Changed
 - Avoid deprecated import for `OrderedDict`.
diff --git a/tailbone_corepos/_version.py b/tailbone_corepos/_version.py
index 9a17824..a6dbf47 100644
--- a/tailbone_corepos/_version.py
+++ b/tailbone_corepos/_version.py
@@ -1,3 +1,3 @@
 # -*- coding: utf-8; -*-
 
-__version__ = '0.1.17'
+__version__ = '0.1.18'