diff --git a/COPYRIGHT b/COPYRIGHT
index f4c871c69..611b15a73 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -1,12 +1,12 @@
 klayout is packaged by Peter C.S. Scholtens <peter.scholtens@xs4all.nl>
 and Matthias Köfferlein <matthias@koefferlein.de>
-and was obtained from https://www.klayout.org/downloads/source/klayout-0.26.2.tar.gz
+and was obtained from https://www.klayout.org/downloads/source/klayout-0.26.3.tar.gz
 
 Authors:
 	Matthias Köfferlein
 
 Copyright:
-	Copyright (C) 2006-2019 by Matthias Köfferlein.
+	Copyright (C) 2006-2020 by Matthias Köfferlein.
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
diff --git a/Changelog.Debian b/Changelog.Debian
index aaaaace12..d64a26a4a 100644
--- a/Changelog.Debian
+++ b/Changelog.Debian
@@ -1,3 +1,10 @@
+klayout (0.26.3-1) unstable; urgency=low
+
+  * New features and bugfixes
+    - See changelog
+
+ -- Matthias Köfferlein <matthias@koefferlein.de>  Sun, 05 Jan 2020 01:00:22 +0100
+
 klayout (0.26.2-1) unstable; urgency=low
 
   * New features and bugfixes