diff --git a/CHANGELOG.md b/CHANGELOG.md
index a3dd664..651b6f2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,3 +14,34 @@
 - Dotfiles
 - Automatic cleanup
 - Automatic system report
+
+
+# Changelog
+
+## [1.0.0] - 2026-09-27
+
+### Added
+
+- Vollautomatischer Installer
+- Debian 13 Support
+- XFCE Desktop
+- XRDP
+- Brave Browser
+- Thunderbird
+- Nextcloud Desktop
+- NetBird
+- Terminal-Werkzeuge
+- Dotfiles
+- Automatischer Systemreport
+
+### Changed
+
+- Paketliste an Debian 13 angepasst
+- Dotfile-Installation auf rsync umgestellt
+- Installer robuster gemacht
+
+### Fixed
+
+- NetBird-Installation
+- XFCE-Paketliste
+- Debian-13-Kompatibilität