diff -Nru music123-16.4/debian/changelog music123-16.4/debian/changelog
--- music123-16.4/debian/changelog	2019-12-10 22:01:30.000000000 +0000
+++ music123-16.4/debian/changelog	2020-02-25 10:52:55.000000000 +0000
@@ -1,3 +1,9 @@
+music123 (16.4-4build1) focal; urgency=medium
+
+  * No-change rebuild for gnat-9.
+
+ -- Matthias Klose <doko@ubuntu.com>  Tue, 25 Feb 2020 11:52:55 +0100
+
 music123 (16.4-4) unstable; urgency=medium
 
   * Move VCS to salsa.debian.org.