diff --git a/CHANGELOG.md b/CHANGELOG.md
index bd5117de..7ccec56e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,7 @@ All notable changes to NetVips will be documented in this file. See [here](CHANG
 
 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).
 
-## [2.4.1] - ???
+## [2.4.1] - 2024-03-24
 ### Fixed
 - Avoid key collision during shared `VOption` merge ([#228](https://github.com/kleisauke/net-vips/issues/228)).
 
diff --git a/appveyor.yml b/appveyor.yml
index 42672d65..4cc17694 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,7 +1,7 @@
 image: Visual Studio 2022
 
 # Version format
-version: 2.4.0.{build}
+version: 2.4.1.{build}
 
 init:
   - git config --global core.autocrlf true
diff --git a/build/common.props b/build/common.props
index b5ec4f4a..115ee395 100644
--- a/build/common.props
+++ b/build/common.props
@@ -18,7 +18,7 @@
 
     <Major>2</Major>
     <Minor>4</Minor>
-    <Revision>0</Revision>
+    <Revision>1</Revision>
 
     <BuildNumber Condition="'$(APPVEYOR_BUILD_NUMBER)' != ''">$(APPVEYOR_BUILD_NUMBER)</BuildNumber>
     <BuildNumber Condition="'$(BuildNumber)' == ''">0</BuildNumber>