diff -Nru pipewalker-0.9.4/debian/changelog pipewalker-0.9.4/debian/changelog
--- pipewalker-0.9.4/debian/changelog	2013-10-07 05:06:17.000000000 +0000
+++ pipewalker-0.9.4/debian/changelog	2016-04-23 00:18:30.000000000 +0000
@@ -1,3 +1,9 @@
+pipewalker (0.9.4-2build1) yakkety; urgency=medium
+
+  * No-change rebuild for libpng soname change.
+
+ -- Matthias Klose <doko@ubuntu.com>  Sat, 23 Apr 2016 00:18:30 +0000
+
 pipewalker (0.9.4-2) unstable; urgency=low
 
   * debian/patches/no-werror.diff: Closes: #713336.