diff -Nru taopm-1.0/debian/changelog taopm-1.0/debian/changelog
--- taopm-1.0/debian/changelog	2020-03-22 15:59:17.000000000 +0000
+++ taopm-1.0/debian/changelog	2021-09-23 22:41:50.000000000 +0000
@@ -1,8 +1,17 @@
-taopm (1.0-6build1) focal; urgency=medium
+taopm (1.0-7) unstable; urgency=medium
 
-  * No-change rebuild for libgcc-s1 package name change.
+  * Team pload
 
- -- Matthias Klose <doko@ubuntu.com>  Sun, 22 Mar 2020 16:59:17 +0100
+  [ Debian Janitor ]
+  * Remove constraints unnecessary since buster:
+    + Build-Depends: Drop versioned constraint on dh-exec.
+  * Bump debhelper from deprecated 9 to 10.
+
+  [ Sebastian Ramacher ]
+  * debian/: Convert to dh 13 (Closes: #907929)
+  * debian/control: Set RRR: no
+
+ -- Sebastian Ramacher <sramacher@debian.org>  Fri, 24 Sep 2021 00:41:50 +0200
 
 taopm (1.0-6) unstable; urgency=medium
 
diff -Nru taopm-1.0/debian/compat taopm-1.0/debian/compat
--- taopm-1.0/debian/compat	2018-07-31 09:57:49.000000000 +0000
+++ taopm-1.0/debian/compat	1970-01-01 00:00:00.000000000 +0000
@@ -1 +0,0 @@
-9
diff -Nru taopm-1.0/debian/control taopm-1.0/debian/control
--- taopm-1.0/debian/control	2018-09-03 23:08:54.000000000 +0000
+++ taopm-1.0/debian/control	2021-09-23 22:40:56.000000000 +0000
@@ -3,16 +3,32 @@
 Priority: optional
 Maintainer: Debian Multimedia Maintainers <debian-multimedia@lists.debian.org>
 Uploaders: Tiago Bortoletto Vaz <tiago@debian.org>
-Build-Depends: debhelper (>=9), dh-exec (>=0.3), libaudiofile-dev, libglu1-mesa-dev, mesa-common-dev, freeglut3-dev, libxmu-dev, libxi-dev, bison, flex
+Build-Depends:
+ bison,
+ debhelper-compat (= 13),
+ flex,
+ freeglut3-dev,
+ libaudiofile-dev,
+ libglu1-mesa-dev,
+ libxi-dev,
+ libxmu-dev,
+ mesa-common-dev
 Standards-Version: 4.1.5
 Vcs-Browser: https://salsa.debian.org/multimedia-team/taopm
 Vcs-Git: https://salsa.debian.org/multimedia-team/taopm.git
 Homepage: http://taopm.sourceforge.net
+Rules-Requires-Root: no
 
 Package: taopm
 Architecture: any
 Pre-Depends: ${misc:Pre-Depends}
-Depends: ${shlibs:Depends}, ${misc:Depends}, freeglut3-dev, libxmu-dev, g++ | c++-compiler, libxi-dev
+Depends:
+ freeglut3-dev,
+ g++ | c++-compiler,
+ libxi-dev,
+ libxmu-dev,
+ ${misc:Depends},
+ ${shlibs:Depends}
 Description: Sound synthesis software with physical models
  Tao is a software package for sound synthesis using physical models. It
  provides a virtual acoustic material constructed from masses and springs which
diff -Nru taopm-1.0/debian/install taopm-1.0/debian/install
--- taopm-1.0/debian/install	2018-07-31 09:57:49.000000000 +0000
+++ taopm-1.0/debian/install	2021-09-23 22:35:17.000000000 +0000
@@ -1,4 +1,2 @@
-#! /usr/bin/dh-exec
-
 user-scripts/error.parse /usr/lib/${DEB_HOST_MULTIARCH}/taopm/user-scripts/
 include/*.h /usr/lib/${DEB_HOST_MULTIARCH}/taopm/include/
diff -Nru taopm-1.0/debian/rules taopm-1.0/debian/rules
--- taopm-1.0/debian/rules	2018-09-03 23:08:54.000000000 +0000
+++ taopm-1.0/debian/rules	2021-09-23 22:37:44.000000000 +0000
@@ -1,7 +1,6 @@
 #!/usr/bin/make -f
 
-# TODO: multiarch - needs some hacks in upstream code
-DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
+include /usr/share/dpkg/architecture.mk
 
 %:
 	dh $@
@@ -11,14 +10,12 @@
 override_dh_auto_clean:
 	dh_auto_clean
 	rm -f libtao/*.loT config.status.lineno
-override_dh_install:
-	dh_install --list-missing
+execute_after_dh_install:
 	#Drop content of dependency_libs
 	for file in $(CURDIR)/debian/taopm/usr/lib/$(DEB_HOST_MULTIARCH)/*.la; do \
 	        sed -i "/dependency_libs/ s/'.*'/''/" $$file ; \
 	done
-override_dh_fixperms:
-	dh_fixperms
+execute_after_dh_fixperms:
 	chmod 644 debian/taopm/usr/share/doc/taopm/examples/* \
                   debian/taopm/usr/lib/$(DEB_HOST_MULTIARCH)/taopm/include/* \
                   debian/taopm/usr/lib/$(DEB_HOST_MULTIARCH)/taopm/user-scripts/error.parse
diff -Nru taopm-1.0/debian/watch taopm-1.0/debian/watch
--- taopm-1.0/debian/watch	2018-07-31 09:57:49.000000000 +0000
+++ taopm-1.0/debian/watch	2021-09-23 22:32:49.000000000 +0000
@@ -1,2 +1,2 @@
 version=3
-http://sf.net/taopm/tao-(.+)\.(?:zip|tgz|tbz2|txz|tar\.gz|tar\.bz2|tar\.xz)
+https://sf.net/taopm/tao-(.+)\.(?:zip|tgz|tbz2|txz|tar\.gz|tar\.bz2|tar\.xz)