diff -Nru psicode-3.4.0/debian/changelog psicode-3.4.0/debian/changelog
--- psicode-3.4.0/debian/changelog	2018-07-17 12:21:18.000000000 +0000
+++ psicode-3.4.0/debian/changelog	2020-03-29 21:42:41.000000000 +0000
@@ -1,3 +1,15 @@
+psicode (3.4.0-6ubuntu1) focal; urgency=medium
+
+  * Build-depend on texlive-latex-extra to get letltxmacro.sty, fixing FTBFS.
+
+ -- Logan Rosen <logan@ubuntu.com>  Sun, 29 Mar 2020 17:42:41 -0400
+
+psicode (3.4.0-6build4) focal; urgency=medium
+
+  * No-change rebuild for libgcc-s1 package name change.
+
+ -- Matthias Klose <doko@ubuntu.com>  Sun, 22 Mar 2020 16:54:52 +0100
+
 psicode (3.4.0-6build3) cosmic; urgency=medium
 
   * No-change rebuild for libgfortran soname change.
diff -Nru psicode-3.4.0/debian/control psicode-3.4.0/debian/control
--- psicode-3.4.0/debian/control	2015-08-25 15:35:32.000000000 +0000
+++ psicode-3.4.0/debian/control	2020-03-29 21:42:41.000000000 +0000
@@ -1,7 +1,8 @@
 Source: psicode
 Section: science
 Priority: optional
-Maintainer: Debichem Team <debichem-devel@lists.alioth.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debichem Team <debichem-devel@lists.alioth.debian.org>
 Uploaders: Michael Banck <mbanck@debian.org>
 Build-Depends: autotools-dev (>> 20100122.1~),
                byacc,
@@ -12,6 +13,7 @@
                libblas-dev,
                libint-dev,
                liblapack-dev,
+               texlive-latex-extra,
                texlive-latex-recommended
 Standards-Version: 3.9.4
 Homepage: http://www.psicode.org/