diff --git a/api/setup/setup.inc.php b/api/setup/setup.inc.php
index b80a2b1327..13e8e5826d 100644
--- a/api/setup/setup.inc.php
+++ b/api/setup/setup.inc.php
@@ -14,7 +14,7 @@ $setup_info['api']['title']     = 'EGroupware API';
 $setup_info['api']['version']   = '20.1.003';
 $setup_info['api']['versions']['current_header'] = '1.29';
 // maintenance release in sync with changelog in doc/rpm-build/debian.changes
-$setup_info['api']['versions']['maintenance_release'] = '21.1.20210329';
+$setup_info['api']['versions']['maintenance_release'] = '21.1.20210406';
 $setup_info['api']['enable']    = 3;
 $setup_info['api']['app_order'] = 1;
 $setup_info['api']['license'] = 'GPL';
diff --git a/doc/rpm-build/debian.changes b/doc/rpm-build/debian.changes
index 0418a51c7a..6d31c16bc2 100644
--- a/doc/rpm-build/debian.changes
+++ b/doc/rpm-build/debian.changes
@@ -1,3 +1,15 @@
+egroupware-docker (21.1.20210406) hardy; urgency=low
+
+  * 3rd 21.1 pre-release using PHP 7.4 by default
+  * Notifications: Add refresh handler for notifications (click on Notifications header)
+  * Calendar: Add contextmenu action for video-conference events to access recordings for BBB
+  * Calendar: move calendar search from side-menu to toolbar and add favorits (mobile theme too)
+  * API/Resources: allow custom icons for categories
+  * Kanban: allow to collapse/expand columns and swimlanes
+  * PHP 8.0: many bug fixes and separate test-containers with tags 21.1-8.0 or 21.1.20210406-8.0
+
+ -- Ralf Becker <rb@egroupware.org>  Tue, 06 Apr 2021 17:03:56 +0200
+
 egroupware-docker (21.1.20210329) hardy; urgency=low
 
   * 2nd 21.1 pre-release now supporting PHP 7.4 and using it in the container