diff -u ocaml-duppy-0.5.1/debian/changelog ocaml-duppy-0.5.1/debian/changelog
--- ocaml-duppy-0.5.1/debian/changelog
+++ ocaml-duppy-0.5.1/debian/changelog
@@ -1,3 +1,9 @@
+ocaml-duppy (0.5.1-1build4) artful; urgency=high
+
+  * No change rebuild against ocaml 4.04.
+
+ -- Dimitri John Ledkov <xnox@ubuntu.com>  Thu, 29 Jun 2017 10:09:37 +0100
+
 ocaml-duppy (0.5.1-1build3) yakkety; urgency=medium
 
   * No-change rebuild for ocaml ABIs.
diff -u ocaml-duppy-0.5.1/debian/control ocaml-duppy-0.5.1/debian/control
--- ocaml-duppy-0.5.1/debian/control
+++ ocaml-duppy-0.5.1/debian/control
@@ -1,7 +1,8 @@
 Source: ocaml-duppy
 Section: ocaml
 Priority: optional
-Maintainer: Debian OCaml Maintainers <debian-ocaml-maint@lists.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian OCaml Maintainers <debian-ocaml-maint@lists.debian.org>
 Uploaders: Samuel Mimram <smimram@debian.org>, Romain Beauxis <toots@rastageeks.org>
 Build-Depends: cdbs (>= 0.4.85~),
  debhelper (>= 7.0.1),
diff -u ocaml-duppy-0.5.1/debian/control.in ocaml-duppy-0.5.1/debian/control.in
--- ocaml-duppy-0.5.1/debian/control.in
+++ ocaml-duppy-0.5.1/debian/control.in
@@ -1,7 +1,8 @@
 Source: ocaml-duppy
 Section: ocaml
 Priority: optional
-Maintainer: Debian OCaml Maintainers <debian-ocaml-maint@lists.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian OCaml Maintainers <debian-ocaml-maint@lists.debian.org>
 Uploaders: Samuel Mimram <smimram@debian.org>, Romain Beauxis <toots@rastageeks.org>
 Build-Depends: @cdbs@, 
  ocaml-findlib (>= 1.2.4),