diff --git a/CHANGELOG.md b/CHANGELOG.md
index 09c4d81..455eb38 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## 0.9.0 - 2026-10-20
 
 - Added the MCP `chooseMany` tool for independent named questions with shared context and optional images.
 - Added optional `concurrency` to `chooseMany()` without changing its default parallelism. Queued questions keep a snapshot of their inputs and stop on failure or cancellation.
diff --git a/package-lock.json b/package-lock.json
index bf50314..795a26b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "choosekit",
-  "version": "0.8.0",
+  "version": "0.9.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "choosekit",
-      "version": "0.8.0",
+      "version": "0.9.0",
       "license": "Apache-2.0",
       "devDependencies": {
         "typescript": "5.8.3"
diff --git a/package.json b/package.json
index bc1d5e0..57ec681 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "choosekit",
-  "version": "0.8.0",
+  "version": "0.9.0",
   "description": "Typed choices from your existing language model scorer.",
   "license": "Apache-2.0",
   "author": {