diff -Nru mathematica-fonts-20/debian/changelog mathematica-fonts-21/debian/changelog
--- mathematica-fonts-20/debian/changelog	2016-03-11 13:55:34.000000000 +0000
+++ mathematica-fonts-21/debian/changelog	2018-04-27 23:35:26.000000000 +0000
@@ -1,3 +1,12 @@
+mathematica-fonts (21) unstable; urgency=medium
+
+  * Update the Fonts Team address.
+  * Move VCS to Salsa.
+  * dh 11, R³.
+  * Priority: optional.
+
+ -- Adam Borowski <kilobyte@angband.pl>  Sat, 28 Apr 2018 01:35:26 +0200
+
 mathematica-fonts (20) unstable; urgency=medium
 
   * Add missing Depends: wget (closes: #817820).
diff -Nru mathematica-fonts-20/debian/compat mathematica-fonts-21/debian/compat
--- mathematica-fonts-20/debian/compat	2016-01-13 09:35:48.000000000 +0000
+++ mathematica-fonts-21/debian/compat	2018-04-27 23:01:06.000000000 +0000
@@ -1 +1 @@
-9
+11
diff -Nru mathematica-fonts-20/debian/control mathematica-fonts-21/debian/control
--- mathematica-fonts-20/debian/control	2016-03-11 14:02:29.000000000 +0000
+++ mathematica-fonts-21/debian/control	2018-04-27 23:35:26.000000000 +0000
@@ -1,12 +1,13 @@
 Source: mathematica-fonts
 Section: contrib/fonts
-Priority: extra
-Maintainer: Debian Fonts Task Force <pkg-fonts-devel@lists.alioth.debian.org>
+Priority: optional
+Maintainer: Debian Fonts Task Force <debian-fonts@lists.debian.org>
 Uploaders: Adam Borowski <kilobyte@angband.pl>
-Build-Depends: debhelper (>= 9), po-debconf
-Standards-Version: 3.9.7
-Vcs-Git: https://anonscm.debian.org/git/pkg-fonts/fonts-mathematica.git
-Vcs-Browser: https://anonscm.debian.org/cgit/pkg-fonts/fonts-mathematica.git
+Build-Depends: debhelper (>= 11~), po-debconf
+Standards-Version: 4.1.4
+Rules-Requires-Root: no
+Vcs-Git: https://salsa.debian.org/fonts-team/fonts-mathematica
+Vcs-Browser: https://salsa.debian.org/fonts-team/fonts-mathematica
 
 Package: fonts-mathematica
 Architecture: all