diff -Nru gtkmm2.4-2.24.5/debian/changelog gtkmm2.4-2.24.5/debian/changelog
--- gtkmm2.4-2.24.5/debian/changelog	2019-12-08 19:38:31.000000000 +0000
+++ gtkmm2.4-2.24.5/debian/changelog	2020-03-22 15:43:17.000000000 +0000
@@ -1,3 +1,9 @@
+gtkmm2.4 (1:2.24.5-4ubuntu2) focal; urgency=medium
+
+  * No-change rebuild for libgcc-s1 package name change.
+
+ -- Matthias Klose <doko@ubuntu.com>  Sun, 22 Mar 2020 16:43:17 +0100
+
 gtkmm2.4 (1:2.24.5-4ubuntu1) focal; urgency=medium
 
   * Make autopkgtests cross-test-friendly.