diff --git a/.release-please-manifest-beta.json b/.release-please-manifest-beta.json
index cb7e737a..0f65f8a0 100644
--- a/.release-please-manifest-beta.json
+++ b/.release-please-manifest-beta.json
@@ -1,3 +1,3 @@
 {
-  ".": "3.90.0-beta.0"
+  ".": "3.90.1-beta.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a45b6474..2f0f7ecf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,14 @@ All notable changes to PicPeak will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [3.90.1-beta.0](https://github.com/PicPeak/picpeak/compare/v3.90.0-beta.0...v3.90.1-beta.0) (2026-07-17)
+
+
+### Bug Fixes
+
+* **security:** remove unguarded legacy /api/events router (GHSA-4j34-x562-5vfq) ([e7ca8bd](https://github.com/PicPeak/picpeak/commit/e7ca8bdb7f30d999039125c0f0ef89bdc92d5a69))
+* **security:** remove unguarded legacy /api/events router (GHSA-4j34-x562-5vfq) ([6cd546e](https://github.com/PicPeak/picpeak/commit/6cd546e86ae38819c0fdc24044f86106503fa020))
+
 ## [3.90.0-beta.0](https://github.com/PicPeak/picpeak/compare/v3.89.0-beta.0...v3.90.0-beta.0) (2026-07-16)
 
 
diff --git a/backend/package.json b/backend/package.json
index 3edb57f1..1eea21c5 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "picpeak-backend",
-  "version": "3.90.0-beta.0",
+  "version": "3.90.1-beta.0",
   "description": "Backend for PicPeak event photo sharing platform",
   "main": "server.js",
   "scripts": {
diff --git a/frontend/package.json b/frontend/package.json
index f4470c63..52158a3e 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,7 +1,7 @@
 {
   "name": "picpeak-frontend",
   "private": true,
-  "version": "3.90.0-beta.0",
+  "version": "3.90.1-beta.0",
   "type": "module",
   "scripts": {
     "dev": "vite",