diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 9695e0ec5..32ebf8e78 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "9.1.0"
+  ".": "9.1.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6304d299b..1210382d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog
 
+## [9.1.1](https://github.com/workos/workos-node/compare/v9.1.0...v9.1.1) (2026-04-24)
+
+
+### Bug Fixes
+
+* Correctly handle all `isAuthenticationErrorData` cases ([#1573](https://github.com/workos/workos-node/issues/1573)) ([b572431](https://github.com/workos/workos-node/commit/b572431a9e225a8eb524220b054cef0596c7574b))
+* Fix incorrect url for listEffectivePermissionsByExternalId ([#1574](https://github.com/workos/workos-node/issues/1574)) ([8f8fc81](https://github.com/workos/workos-node/commit/8f8fc8168f6fcf6109e99938ab36c588c3e9bf62))
+* restore typed data on `AuthenticationErrorData` ([#1570](https://github.com/workos/workos-node/issues/1570)) ([a7a1e6d](https://github.com/workos/workos-node/commit/a7a1e6dee05d9449b4c565906536f67b343d0fd1))
+* revert "Rename Authorization methods to match oagen hints" ([7ab0380](https://github.com/workos/workos-node/commit/7ab03806854349928bac91d3f014e37f33cf94cc))
+
 ## [9.1.0](https://github.com/workos/workos-node/compare/v9.0.0...v9.1.0) (2026-04-21)
 
 
diff --git a/package-lock.json b/package-lock.json
index a4cf64a3c..43c7ce5db 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@workos-inc/node",
-  "version": "9.1.0",
+  "version": "9.1.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@workos-inc/node",
-      "version": "9.1.0",
+      "version": "9.1.1",
       "license": "MIT",
       "dependencies": {
         "eventemitter3": "^5.0.4"
diff --git a/package.json b/package.json
index 060269e37..42d98a4b7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@workos-inc/node",
-  "version": "9.1.0",
+  "version": "9.1.1",
   "description": "A Node wrapper for the WorkOS API",
   "keywords": [
     "workos"