diff -Nru esys-particle-2.3.5+dfsg1/debian/changelog esys-particle-2.3.5+dfsg1/debian/changelog
--- esys-particle-2.3.5+dfsg1/debian/changelog	2020-01-25 05:41:12.000000000 +0000
+++ esys-particle-2.3.5+dfsg1/debian/changelog	2020-02-06 11:05:54.000000000 +0000
@@ -1,3 +1,9 @@
+esys-particle (2.3.5+dfsg1-4build2) focal; urgency=medium
+
+  * No change rebuild against new boost1.71 ABI
+
+ -- Dimitri John Ledkov <xnox@ubuntu.com>  Thu, 06 Feb 2020 11:05:54 +0000
+
 esys-particle (2.3.5+dfsg1-4build1) focal; urgency=medium
 
   * No-change rebuild to build with python3.8.
diff -Nru esys-particle-2.3.5+dfsg1/debian/control esys-particle-2.3.5+dfsg1/debian/control
--- esys-particle-2.3.5+dfsg1/debian/control	2019-12-26 14:20:58.000000000 +0000
+++ esys-particle-2.3.5+dfsg1/debian/control	2020-02-06 11:05:54.000000000 +0000
@@ -1,5 +1,6 @@
 Source: esys-particle
-Maintainer: Debian Science Maintainers <debian-science-maintainers@lists.alioth.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian Science Maintainers <debian-science-maintainers@lists.alioth.debian.org>
 Uploaders: Anton Gladky <gladk@debian.org>
 Section: science
 Priority: optional