diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3223d90..e14653e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@ All notable changes to PinchChat are documented here.
 
 Format based on [Keep a Changelog](https://keepachangelog.com/), with [Conventional Commits](https://www.conventionalcommits.org/).
 
+## [1.20.0] — 2026-02-12
+### Added
+- Theme switcher — Dark, Light, and OLED Black modes with 6 configurable accent colors (Cyan, Violet, Emerald, Amber, Rose, Blue)
+- CSS custom properties system for consistent theming across all components
+- Theme and accent preferences persisted in localStorage
+
 ## [1.18.0] — 2026-02-12
 ### Added
 - Improved thinking/reasoning indicator with elapsed time counter — shows pulsing "Reasoning..." with timer when agent is thinking with hidden content, instead of generic bouncing dots
diff --git a/package-lock.json b/package-lock.json
index 87ef884..8c6f1e3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "pinchchat",
-  "version": "1.19.0",
+  "version": "1.20.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "pinchchat",
-      "version": "1.19.0",
+      "version": "1.20.0",
       "license": "MIT",
       "dependencies": {
         "@radix-ui/react-collapsible": "^1.1.12",
diff --git a/package.json b/package.json
index 9f2e942..71c0f3c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pinchchat",
-  "version": "1.19.0",
+  "version": "1.20.0",
   "description": "A sleek, dark-themed webchat UI for OpenClaw — monitor sessions, stream responses, and inspect tool calls in real-time.",
   "type": "module",
   "repository": {