diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 02f17d9d..76d5538a 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.8.1"
+  ".": "0.9.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4c359831..ee514697 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,25 @@
 # Changelog
 
+## 0.9.0 (2023-11-03)
+
+Full Changelog: [v0.8.1...v0.9.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/v0.8.1...v0.9.0)
+
+### Features
+
+* **client:** allow binary returns ([#203](https://github.com/anthropics/anthropic-sdk-typescript/issues/203)) ([5983d5e](https://github.com/anthropics/anthropic-sdk-typescript/commit/5983d5e5de327d6835c7baaea022914a101865a2))
+* **github:** include a devcontainer setup ([#202](https://github.com/anthropics/anthropic-sdk-typescript/issues/202)) ([ea97913](https://github.com/anthropics/anthropic-sdk-typescript/commit/ea97913a04a508da7704758b78a9b96d097be5a2))
+
+
+### Chores
+
+* **internal:** update gitignore ([#198](https://github.com/anthropics/anthropic-sdk-typescript/issues/198)) ([3048738](https://github.com/anthropics/anthropic-sdk-typescript/commit/3048738235b9dff9de19aae59ff66487dffb9e8e))
+* small cleanups ([#201](https://github.com/anthropics/anthropic-sdk-typescript/issues/201)) ([9f0a73d](https://github.com/anthropics/anthropic-sdk-typescript/commit/9f0a73d794fc110689ce1c67b68d0a68133adb8d))
+
+
+### Documentation
+
+* fix github links ([#200](https://github.com/anthropics/anthropic-sdk-typescript/issues/200)) ([4038acd](https://github.com/anthropics/anthropic-sdk-typescript/commit/4038acd91f4de7c3b20efe7f76523d1e6970f5d9))
+
 ## 0.8.1 (2023-10-25)
 
 Full Changelog: [v0.8.0...v0.8.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/v0.8.0...v0.8.1)
diff --git a/package.json b/package.json
index e0626cd1..ebbc8231 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@anthropic-ai/sdk",
-  "version": "0.8.1",
+  "version": "0.9.0",
   "description": "Client library for the Anthropic API",
   "author": "Anthropic <support@anthropic.com>",
   "types": "dist/index.d.ts",
diff --git a/src/version.ts b/src/version.ts
index b614c754..5c161947 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '0.8.1'; // x-release-please-version
+export const VERSION = '0.9.0'; // x-release-please-version