diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 4bb7e5a..60136e2 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "4.21.0"
+  ".": "4.22.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e1c4a72..ad341d7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [4.22.0](https://github.com/runwayml/sdk-node/compare/v4.21.0...v4.22.0) (2026-10-13)
+
+
+### Features
+
+* add Ideogram 4.0 (`ideogram_4_0`) and Ideogram 4.5 (`ideogram_4_5`) to text-to-image
+
 ## [4.21.0](https://github.com/runwayml/sdk-node/compare/v4.20.1...v4.21.0) (2026-10-02)
 
 
diff --git a/package.json b/package.json
index 05008c5..c661a99 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@runwayml/sdk",
-  "version": "4.21.0",
+  "version": "4.22.0",
   "description": "The official TypeScript library for the RunwayML API",
   "author": "RunwayML <dev-feedback@runwayml.com>",
   "types": "dist/index.d.ts",
diff --git a/src/version.ts b/src/version.ts
index ae18794..18a082e 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '4.21.0'; // x-release-please-version
+export const VERSION = '4.22.0'; // x-release-please-version