diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c2dfabb..aaf9627 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,4 +1,4 @@
 {
-  ".": "10.0.0",
-  "demo": "7.0.0"
+  ".": "11.0.0",
+  "demo": "8.0.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a04c6d8..ed77195 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,22 @@ All notable changes to this project 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).
 
+## [11.0.0](https://github.com/jonmatum/react-mfe-shell/compare/react-mfe-shell-v10.0.0...react-mfe-shell-v11.0.0) (2025-08-27)
+
+
+### ⚠ BREAKING CHANGES
+
+* Modal component now uses HeadlessUI for better accessibility. Legacy props are still supported but compound components are recommended.
+
+### Features
+
+* add fullscreen modal support with improved accessibility ([ae89d9a](https://github.com/jonmatum/react-mfe-shell/commit/ae89d9a928391efe15ad355bc0a8846159bc78df))
+
+
+### Bug Fixes
+
+* resolve all TypeScript lint warnings ([ae89d9a](https://github.com/jonmatum/react-mfe-shell/commit/ae89d9a928391efe15ad355bc0a8846159bc78df))
+
 ## [10.0.0](https://github.com/jonmatum/react-mfe-shell/compare/react-mfe-shell-v9.0.0...react-mfe-shell-v10.0.0) (2025-08-26)
 
 
diff --git a/demo/CHANGELOG.md b/demo/CHANGELOG.md
index 9dd26e6..29bad69 100644
--- a/demo/CHANGELOG.md
+++ b/demo/CHANGELOG.md
@@ -1,5 +1,21 @@
 # Changelog
 
+## [8.0.0](https://github.com/jonmatum/react-mfe-shell/compare/demo-v7.0.0...demo-v8.0.0) (2025-08-27)
+
+
+### ⚠ BREAKING CHANGES
+
+* Modal component now uses HeadlessUI for better accessibility. Legacy props are still supported but compound components are recommended.
+
+### Features
+
+* add fullscreen modal support with improved accessibility ([ae89d9a](https://github.com/jonmatum/react-mfe-shell/commit/ae89d9a928391efe15ad355bc0a8846159bc78df))
+
+
+### Bug Fixes
+
+* resolve all TypeScript lint warnings ([ae89d9a](https://github.com/jonmatum/react-mfe-shell/commit/ae89d9a928391efe15ad355bc0a8846159bc78df))
+
 ## [7.0.0](https://github.com/jonmatum/react-mfe-shell/compare/demo-v6.0.0...demo-v7.0.0) (2025-08-26)
 
 
diff --git a/demo/package.json b/demo/package.json
index 7218177..bb4d98e 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jonmatum/react-mfe-shell-demo",
-  "version": "7.0.0",
+  "version": "8.0.0",
   "private": true,
   "type": "module",
   "description": "Interactive demo application for React MFE Shell component library showcasing all 22 components including 8 form molecules",
diff --git a/package-lock.json b/package-lock.json
index ff4cc6c..735837f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@jonmatum/react-mfe-shell",
-  "version": "10.0.0",
+  "version": "11.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@jonmatum/react-mfe-shell",
-      "version": "10.0.0",
+      "version": "11.0.0",
       "license": "MIT",
       "dependencies": {
         "@headlessui/react": "^2.2.7",
diff --git a/package.json b/package.json
index effa0a3..6635610 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jonmatum/react-mfe-shell",
-  "version": "10.0.0",
+  "version": "11.0.0",
   "type": "module",
   "description": "Production-ready React micro frontend shell with atomic design system, shared components, and utilities for building scalable MFE applications",
   "keywords": [