diff --git a/UPGRADE.md b/UPGRADE.md
index 2e687dc00fa318496f3b587d7a625720f9810a42..bb436b28c289dc2a03dd28d7990a777d2196db04 100644
--- a/UPGRADE.md
+++ b/UPGRADE.md
@@ -1,3 +1,11 @@
+## Version 6 Breaking Changes
+
+- Dropped TYPO3 10 and 11 support
+- Dropped PHP 7 support
+- Removed DepartmentUpdateWizard
+- Removed widget UriViewHelper
+- Removed unused Common/setup.typoscript
+
 ## Version 5 Breaking Changes
 
 - Dropped TYPO3 9 support