diff --git a/CHANGELOG.md b/CHANGELOG.md
index 61cf3bd..14ee205 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,12 @@
 All notable changes to this project will be documented in this file.
 Format based on [Keep a Changelog](https://keepachangelog.com/).
 
+## [0.4.0] - 2026-03-28
+
+### Added
+
+- Optional background blur via `background_blur` config option (Gaussian blur, `image` crate)
+
 ## [0.1.1] - 2026-03-28
 
 ### Fixed
diff --git a/Cargo.toml b/Cargo.toml
index 1a03629..4b32986 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "moonset"
-version = "0.1.1"
+version = "0.4.0"
 edition = "2024"
 description = "Wayland session power menu with GTK4 and Layer Shell"
 license = "MIT"