diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3ce9195..4136daa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to PinchChat are documented here.
 
 Format based on [Keep a Changelog](https://keepachangelog.com/), with [Conventional Commits](https://www.conventionalcommits.org/).
 
+## [1.29.0] — 2026-02-13
+### Added
+- System theme option — automatically follows OS light/dark preference via `prefers-color-scheme`, updates dynamically when OS setting changes
+
 ## [1.28.2] — 2026-02-13
 ### Fixed
 - Resolved all 3 ESLint warnings (react-hooks/set-state-in-effect) — lint now passes with 0 errors and 0 warnings
diff --git a/package.json b/package.json
index d890ede..789017b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pinchchat",
-  "version": "1.28.2",
+  "version": "1.29.0",
   "description": "A sleek, dark-themed webchat UI for OpenClaw — monitor sessions, stream responses, and inspect tool calls in real-time.",
   "type": "module",
   "repository": {