diff --git a/CHANGELOG.md b/CHANGELOG.md
index bd8479b..e18251e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 
 ## [Unreleased]
 
+## [0.5.0] - 2026-11-10
+
 ### Fixed
 
 - **LOW:** The website's "Try it live" demo has a full TSX showcase sample (typed components, a generic `<T,>` component, typed hooks and events, discriminated unions, `as const`, `satisfies`); picking `tsx` previously showed a three-line placeholder. The sample is also scored in the accuracy benchmark's showcase corpus (100 scorable languages).
diff --git a/packages/syntax-highlighter/package.json b/packages/syntax-highlighter/package.json
index b0cb720..66d71b4 100644
--- a/packages/syntax-highlighter/package.json
+++ b/packages/syntax-highlighter/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@opentf/syntax-highlighter",
-  "version": "0.4.0",
+  "version": "0.5.0",
   "description": "Modern, renderer-agnostic syntax highlighting with one tokenizer powering browser, HTML/SSR, JSON, and ANSI output.",
   "type": "module",
   "types": "./dist/index.d.ts",