diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6f0d7ff..abfb371 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,16 @@ 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/).
 
+## [0.4.2] - 2026-03-01
+
+### Fixed
+- Version mismatch: bumped Cargo.toml version to match release tag, fixing `--update` false positive
+
+## [0.4.1] - 2026-03-01
+
+### Added
+- Self-update feature (`tmuxido --update`) to update binary from latest GitHub release
+
 ## [0.4.0] - 2026-03-01
 
 ### Added
diff --git a/Cargo.lock b/Cargo.lock
index e467d1b..efb5b41 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -542,7 +542,7 @@ dependencies = [
 
 [[package]]
 name = "tmuxido"
-version = "0.4.0"
+version = "0.4.2"
 dependencies = [
  "anyhow",
  "clap",
diff --git a/Cargo.toml b/Cargo.toml
index 27e5018..7c7da5e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tmuxido"
-version = "0.4.0"
+version = "0.4.2"
 edition = "2024"
 
 [dev-dependencies]