diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a726929..a8ea4b6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -57,7 +57,7 @@ jobs:
       - name: Get GitHub OIDC Token
         if: github.repository == 'stainless-sdks/morphik-typescript'
         id: github-oidc
-        uses: actions/github-script@v6
+        uses: actions/github-script@v8
         with:
           script: core.setOutput('github_token', await core.getIDToken());
 
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 4fcfdf7..2b6f978 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.9.0"
+  ".": "1.9.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5caaf1c..831d723 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 1.9.1 (2026-01-24)
+
+Full Changelog: [v1.9.0...v1.9.1](https://github.com/morphik-org/morphik-ts/compare/v1.9.0...v1.9.1)
+
+### Chores
+
+* **ci:** upgrade `actions/github-script` ([8513ce5](https://github.com/morphik-org/morphik-ts/commit/8513ce589bdffbd702a3cc9fa868ad499f216969))
+
 ## 1.9.0 (2026-01-22)
 
 Full Changelog: [v1.8.0...v1.9.0](https://github.com/morphik-org/morphik-ts/compare/v1.8.0...v1.9.0)
diff --git a/package.json b/package.json
index 9e99c8b..9be4e39 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "morphik",
-  "version": "1.9.0",
+  "version": "1.9.1",
   "description": "The official TypeScript library for the Morphik API",
   "author": "Morphik <founders@morphik.ai>",
   "types": "dist/index.d.ts",
diff --git a/src/version.ts b/src/version.ts
index d6d803f..96219a4 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '1.9.0'; // x-release-please-version
+export const VERSION = '1.9.1'; // x-release-please-version