diff -Nru tecnoballz-0.93.1/debian/changelog tecnoballz-0.93.1/debian/changelog
--- tecnoballz-0.93.1/debian/changelog	2020-03-22 15:59:25.000000000 +0000
+++ tecnoballz-0.93.1/debian/changelog	2021-01-01 21:55:20.000000000 +0000
@@ -1,8 +1,10 @@
-tecnoballz (0.93.1-9build1) focal; urgency=medium
+tecnoballz (0.93.1-10) unstable; urgency=medium
 
-  * No-change rebuild for libgcc-s1 package name change.
+  * Switch to debhelper-compat = 13.
+  * Declare compliance with Debian Policy 4.5.1.
+  * Mark tecnoballz-data as Multi-Arch: foreign.
 
- -- Matthias Klose <doko@ubuntu.com>  Sun, 22 Mar 2020 16:59:25 +0100
+ -- Markus Koschany <apo@debian.org>  Fri, 01 Jan 2021 22:55:20 +0100
 
 tecnoballz (0.93.1-9) unstable; urgency=medium
 
diff -Nru tecnoballz-0.93.1/debian/compat tecnoballz-0.93.1/debian/compat
--- tecnoballz-0.93.1/debian/compat	2018-12-08 14:07:02.000000000 +0000
+++ tecnoballz-0.93.1/debian/compat	1970-01-01 00:00:00.000000000 +0000
@@ -1 +0,0 @@
-11
diff -Nru tecnoballz-0.93.1/debian/control tecnoballz-0.93.1/debian/control
--- tecnoballz-0.93.1/debian/control	2018-12-08 14:07:02.000000000 +0000
+++ tecnoballz-0.93.1/debian/control	2021-01-01 21:55:20.000000000 +0000
@@ -6,7 +6,7 @@
  Barry deFreese <bdefreese@debian.org>,
  Markus Koschany <apo@debian.org>
 Build-Depends:
- debhelper (>= 11),
+ debhelper-compat (= 13),
  libmikmod-dev,
  libogg-dev,
  libsdl-image1.2-dev,
@@ -17,7 +17,7 @@
  libxext-dev,
  libxxf86dga-dev,
  libxxf86vm-dev
-Standards-Version: 4.2.1
+Standards-Version: 4.5.1
 Homepage: http://linux.tlk.fr/games/TecnoballZ/
 Vcs-Git: https://salsa.debian.org/games-team/tecnoballz.git
 Vcs-Browser: https://salsa.debian.org/games-team/tecnoballz
@@ -36,6 +36,7 @@
  This game is written in C++ and uses the SDL library.
 
 Package: tecnoballz-data
+Multi-Arch: foreign
 Architecture: all
 Depends:
  ${misc:Depends}
diff -Nru tecnoballz-0.93.1/debian/copyright tecnoballz-0.93.1/debian/copyright
--- tecnoballz-0.93.1/debian/copyright	2018-12-08 14:07:02.000000000 +0000
+++ tecnoballz-0.93.1/debian/copyright	2021-01-01 21:55:20.000000000 +0000
@@ -13,7 +13,7 @@
            2009,      Barry deFreese <bdefreese@debian.org>
            2011,      Peter Pentchev <roam@ringlet.net>
            2011,      Ansgar Burchardt <ansgar@debian.org>
-           2014-2018, Markus Koschany <apo@debian.org>
+           2014-2021, Markus Koschany <apo@debian.org>
 License: GPL-3+
 
 License: GPL-3+
diff -Nru tecnoballz-0.93.1/debian/rules tecnoballz-0.93.1/debian/rules
--- tecnoballz-0.93.1/debian/rules	2018-12-08 14:07:02.000000000 +0000
+++ tecnoballz-0.93.1/debian/rules	2021-01-01 21:55:20.000000000 +0000
@@ -18,3 +18,7 @@
 	# Do not overwrite old hiscore files. Let tecnoballz.postinst handle this.
 	mv $(CURDIR)/debian/tmp/var/games/tecnoballz/tecnoballz.hi \
 		$(CURDIR)/debian/tmp/var/games/tecnoballz/tecnoballz.hi.clean
+
+override_dh_missing:
+	dh_missing --list-missing
+