diff -u exult-1.2/debian/changelog exult-1.2/debian/changelog
--- exult-1.2/debian/changelog
+++ exult-1.2/debian/changelog
@@ -1,3 +1,9 @@
+exult (1.2-16.1build1) yakkety; urgency=medium
+
+  * No-change rebuild for libpng soname change.
+
+ -- Matthias Klose <doko@ubuntu.com>  Sat, 23 Apr 2016 00:04:39 +0000
+
 exult (1.2-16.1) unstable; urgency=medium
 
   * Non-maintainer upload.