diff --git a/CHANGELOG.md b/CHANGELOG.md
index ad26644..47c094c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+## 0.5.0 — session lifecycle hooks, stop review gate, process-group cancel
+
+Second port wave from upstream [`openai/codex-plugin-cc`](https://github.com/openai/codex-plugin-cc) (session tracking, the stop-time review gate, prompt templates, structured review output), adapted to the Cursor CLI and the zero-deps runtime — plus a real cancellation bug found while comparing the two codebases. (#17, #18, #20, #21)
 
 ### Added
 
diff --git a/plugins/cursor/package-lock.json b/plugins/cursor/package-lock.json
index 0db9578..6917a1e 100644
--- a/plugins/cursor/package-lock.json
+++ b/plugins/cursor/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "cursor-plugin-cc",
-  "version": "0.4.0",
+  "version": "0.5.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "cursor-plugin-cc",
-      "version": "0.4.0",
+      "version": "0.5.0",
       "license": "MIT",
       "devDependencies": {
         "@eslint/js": "^9.16.0",
diff --git a/plugins/cursor/package.json b/plugins/cursor/package.json
index 700fa3d..0827f41 100644
--- a/plugins/cursor/package.json
+++ b/plugins/cursor/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cursor-plugin-cc",
-  "version": "0.4.0",
+  "version": "0.5.0",
   "description": "Use Cursor CLI from Claude Code to delegate coding tasks to Composer and other Cursor models.",
   "type": "module",
   "license": "MIT",
diff --git a/plugins/cursor/plugin.json b/plugins/cursor/plugin.json
index 688a6c0..b9f0999 100644
--- a/plugins/cursor/plugin.json
+++ b/plugins/cursor/plugin.json
@@ -1,6 +1,6 @@
 {
   "name": "cursor",
-  "version": "0.4.0",
+  "version": "0.5.0",
   "description": "Hand off tasks from Claude Code to cursor-agent. Composer-optimised.",
   "author": {
     "name": "Tomas Grasl",