diff -u gpp4-1.3.1/debian/changelog gpp4-1.3.1/debian/changelog
--- gpp4-1.3.1/debian/changelog
+++ gpp4-1.3.1/debian/changelog
@@ -1,3 +1,9 @@
+gpp4 (1.3.1-0ubuntu5) artful; urgency=medium
+
+  * No-change rebuild for libgfortran soname change.
+
+ -- Matthias Klose <doko@ubuntu.com>  Fri, 04 Aug 2017 17:18:37 +0000
+
 gpp4 (1.3.1-0ubuntu4) trusty; urgency=medium
 
   * Manually patch libtool.m4/configure files to add support for ppc64el.