diff --git a/CHANGELOG.md b/CHANGELOG.md
index 454cb42..08cc33d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.23.0] - 2023-08-17
+
+### Changed
+- Docuum now only runs its vacuuming logic when it learns about a new image for the first time.
+
 ## [0.22.4] - 2023-06-18
 
 ### Added
diff --git a/Cargo.lock b/Cargo.lock
index 9243717..0c54965 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -162,7 +162,7 @@ dependencies = [
 
 [[package]]
 name = "docuum"
-version = "0.22.4"
+version = "0.23.0"
 dependencies = [
  "atty",
  "byte-unit",
diff --git a/Cargo.toml b/Cargo.toml
index 27e3820..40f6a05 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "docuum"
-version = "0.22.4"
+version = "0.23.0"
 authors = ["Stephan Boyer <stephan@stephanboyer.com>"]
 edition = "2021"
 description = "LRU eviction of Docker images."