diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7e36beb..45b9e00 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,10 +4,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic
 Versioning v2.0.0](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [2.4.0] - 2023-07-06
 ### Changed
 - Runtime: upgrade to .NET 7
 - Language: upgrade to F# 7
+### Added
+- Optional message archive available through the web interface ([#138](https://github.com/codingteam/emulsion/issues/138))
 
 ## [2.3.1] - 2023-02-04
 ### Fixed
@@ -160,4 +162,5 @@ runtime 2.2.
 [2.2.0]: https://github.com/codingteam/emulsion/compare/v2.1.0...v2.2.0
 [2.3.0]: https://github.com/codingteam/emulsion/compare/v2.2.0...v2.3.0
 [2.3.1]: https://github.com/codingteam/emulsion/compare/v2.3.0...v2.3.1
-[Unreleased]: https://github.com/codingteam/emulsion/compare/v2.3.1...HEAD
+[2.4.0]: https://github.com/codingteam/emulsion/compare/v2.3.1...v2.4.0
+[Unreleased]: https://github.com/codingteam/emulsion/compare/v2.4.0...HEAD
diff --git a/Emulsion/Emulsion.fsproj b/Emulsion/Emulsion.fsproj
index ff1787c..a3043b5 100644
--- a/Emulsion/Emulsion.fsproj
+++ b/Emulsion/Emulsion.fsproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>net7.0</TargetFramework>
-    <Version>2.3.1</Version>
+    <Version>2.4.0</Version>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="Logging.fs" />