diff -Nru coinor-vol-1.5.4/debian/changelog coinor-vol-1.5.4/debian/changelog
--- coinor-vol-1.5.4/debian/changelog	2020-03-25 17:43:50.000000000 +0000
+++ coinor-vol-1.5.4/debian/changelog	2020-03-25 21:13:49.000000000 +0000
@@ -1,8 +1,10 @@
-coinor-vol (1.5.4-3build1) focal; urgency=medium
+coinor-vol (1.5.4-4) unstable; urgency=medium
 
-  * No-change rebuild for libgcc-s1 package name change.
+  * QA upload.
+  * Mark a template symbol as optional.
+  * Bump standards version.
 
- -- Matthias Klose <doko@ubuntu.com>  Wed, 25 Mar 2020 18:43:50 +0100
+ -- Matthias Klose <doko@debian.org>  Wed, 25 Mar 2020 22:13:49 +0100
 
 coinor-vol (1.5.4-3) unstable; urgency=medium
 
diff -Nru coinor-vol-1.5.4/debian/coinor-libvol1.symbols coinor-vol-1.5.4/debian/coinor-libvol1.symbols
--- coinor-vol-1.5.4/debian/coinor-libvol1.symbols	2020-01-22 20:02:28.000000000 +0000
+++ coinor-vol-1.5.4/debian/coinor-libvol1.symbols	2020-03-25 21:13:49.000000000 +0000
@@ -27,4 +27,4 @@
  _ZNK11VOL_problem10power_heurERK10VOL_primalS2_RK8VOL_dual@Base 1.5.4
  _ZNK11VOL_problem15readjust_targetEdd@Base 1.5.4
  _ZNK8VOL_dual6ascentERK11VOL_dvectorS2_@Base 1.5.4
- _ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_M_constructIPKcEEvT_S8_St20forward_iterator_tag@Base 1.5.4
+ (optional)_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_M_constructIPKcEEvT_S8_St20forward_iterator_tag@Base 1.5.4
diff -Nru coinor-vol-1.5.4/debian/control coinor-vol-1.5.4/debian/control
--- coinor-vol-1.5.4/debian/control	2020-01-28 20:18:45.000000000 +0000
+++ coinor-vol-1.5.4/debian/control	2020-03-25 21:13:49.000000000 +0000
@@ -3,7 +3,7 @@
 Priority: optional
 Maintainer: Debian QA Group <packages@qa.debian.org>
 Build-Depends: debhelper-compat (= 12), doxygen, graphviz
-Standards-Version: 4.4.1
+Standards-Version: 4.5.0
 Rules-Requires-Root: no
 Homepage: https://projects.coin-or.org/Vol
 Vcs-Git: https://salsa.debian.org/debian/coinor-vol.git