diff --git a/Makefile b/Makefile
index 5f144436..bc32f1d1 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,6 @@ $(BUILDDIR): debian extjs
 	rm -rf $@ $@.tmp && mkdir -p $@.tmp/extjs
 	cp -a debian/ $@.tmp/debian
 	cp -a extjs/build/ $@.tmp/extjs/build
-	cp extjs/licenses/license.txt $@.tmp/debian/copyright
 	mv $@.tmp $@
 
 .PHONY: deb
diff --git a/debian/copyright b/debian/copyright
new file mode 100644
index 00000000..aaef06c5
--- /dev/null
+++ b/debian/copyright
@@ -0,0 +1,77 @@
+Top-level debian/ & Makefile packaging und build-sys;
+
+ Copyright (C) 2017 - 2023 Proxmox Server Solutions GmbH
+ License: AGPL-3.0-or-later
+
+For the ExtJS JavaScript Framework (GPLv3 variant) the following was copied in
+verbatim form the projects license.txt:
+
+Ext JS 7.0.0.168 - JavaScript Library
+Copyright (c) 2006-2020, Sencha Inc.
+All rights reserved.
+licensing@sencha.com
+
+http://www.sencha.com/license
+
+Open Source License
+------------------------------------------------------------------------------------------
+This version of Ext JS 7.0.0.168 is licensed under the terms of the Open Source GPL 3.0 license. 
+
+http://www.gnu.org/licenses/gpl.html
+
+
+Alternate Licensing
+------------------------------------------------------------------------------------------
+Commercial and OEM Licenses are available for an alternate download of Ext JS 7.0.0.168.
+This is the appropriate option if you are creating proprietary applications and you are 
+not prepared to distribute and share the source code of your application under the 
+GPL v3 license. Please visit http://www.sencha.com/license for more details.
+
+
+Third Party Content
+------------------------------------------------------------------------------------------
+The following third party software is distributed with Ext JS 7.0.0.168 and is 
+provided under other licenses and/or has source available from other locations. 
+
+Library: YUI 0.6 (BSD Licensed) for drag-and-drop code.
+Location:�http://developer.yahoo.com/yui
+License:�http://developer.yahoo.com/yui/license.html (BSD 3-Clause License)
+
+Library: JSON parser
+Location: http://www.JSON.org/js.html
+License: http://www.json.org/license.html (MIT License)
+
+Library: flexible-js-formatting 
+Location:�http://code.google.com/p/flexible-js-formatting/
+License:�http://www.opensource.org/licenses/mit-license.php (MIT License)
+
+Library: sparkline.js 
+Location: http://omnipotent.net/jquery.sparkline
+License:  http://omnipotent.net/jquery.sparkline  (BSD 3-Clause License)
+
+Library: DeftJS 
+Location: http://deftjs.org/
+License: http://www.opensource.org/licenses/mit-license.php (MIT License)
+
+Library: Open-Sans
+Location: http://www.fontsquirrel.com/fonts/open-sans
+License: http://www.fontsquirrel.com/fonts/open-sans (Apache 2.0 License)
+
+Ext JS 7.0.0.168 Examples:
+
+Library: Silk Icons 
+Location: http://www.famfamfam.com/lab/icons/silk/
+License: http://www.famfamfam.com/lab/icons/silk/ (Creative Commons Attribution 2.5 License)
+
+Library: Font Awesome CSS
+Location: http://fontawesome.io/
+License: http://fontawesome.io/3.2.1/license/ (MIT)
+
+Library: Material Design Icons
+Location: https://github.com/google/material-design-icons
+License: https://github.com/google/material-design-icons/blob/master/LICENSE (Apache)
+
+
+--
+
+THIS SOFTWARE IS DISTRIBUTED "AS-IS" WITHOUT ANY WARRANTIES, CONDITIONS AND REPRESENTATIONS WHETHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES AND CONDITIONS OF MERCHANTABILITY, MERCHANTABLE QUALITY, FITNESS FOR A PARTICULAR PURPOSE, DURABILITY, NON-INFRINGEMENT, PERFORMANCE AND THOSE ARISING BY STATUTE OR FROM CUSTOM OR USAGE OF TRADE OR COURSE OF DEALING.