diff -Nru libmd-1.0.1/debian/changelog libmd-1.0.1/debian/changelog
--- libmd-1.0.1/debian/changelog	2019-02-16 17:58:33.000000000 +0000
+++ libmd-1.0.1/debian/changelog	2019-08-17 13:56:55.000000000 +0000
@@ -1,3 +1,12 @@
+libmd (1.0.1-3) unstable; urgency=medium
+
+  * Switch to debhelper compatibility level 12.
+  * Switch from debian/compat to debhelper-commpat in Build-Depends.
+  * Switch to Standards-Version 4.4.0 (no changes needed).
+  * Switch to dh sequencer.
+
+ -- Guillem Jover <guillem@debian.org>  Sat, 17 Aug 2019 15:56:55 +0200
+
 libmd (1.0.1-2) unstable; urgency=medium
 
   * Perform a proper and correct /usr-merge transition by moving the package
diff -Nru libmd-1.0.1/debian/compat libmd-1.0.1/debian/compat
--- libmd-1.0.1/debian/compat	2018-01-13 18:53:58.000000000 +0000
+++ libmd-1.0.1/debian/compat	1970-01-01 00:00:00.000000000 +0000
@@ -1 +0,0 @@
-11
diff -Nru libmd-1.0.1/debian/control libmd-1.0.1/debian/control
--- libmd-1.0.1/debian/control	2019-02-03 23:22:46.000000000 +0000
+++ libmd-1.0.1/debian/control	2019-08-08 21:12:06.000000000 +0000
@@ -5,10 +5,10 @@
 Vcs-Browser: https://git.hadrons.org/cgit/debian/pkgs/libmd.git
 Vcs-Git: https://git.hadrons.org/git/debian/pkgs/libmd.git
 Homepage: https://www.hadrons.org/software/libmd/
-Standards-Version: 4.3.0
+Standards-Version: 4.4.0
 Rules-Requires-Root: no
 Build-Depends:
- debhelper (>= 11.1),
+ debhelper-compat (= 12),
 
 Package: libmd-dev
 Section: libdevel
diff -Nru libmd-1.0.1/debian/rules libmd-1.0.1/debian/rules
--- libmd-1.0.1/debian/rules	2019-02-03 23:24:30.000000000 +0000
+++ libmd-1.0.1/debian/rules	2019-08-08 21:13:45.000000000 +0000
@@ -3,87 +3,8 @@
 # Uncomment this to turn on verbose mode.
 #export DH_VERBOSE=1
 
-DEB_BUILD_MAINT_OPTIONS = hardening=+bindnow
-DEB_CFLAGS_MAINT_PREPEND = -Wall
+export DEB_BUILD_MAINT_OPTIONS = hardening=+bindnow
+export DEB_CFLAGS_MAINT_PREPEND = -Wall
 
-include /usr/share/dpkg/default.mk
-
-ifeq ($(DEB_BUILD_GNU_TYPE), $(DEB_HOST_GNU_TYPE))
-	confflags += --build=$(DEB_HOST_GNU_TYPE)
-else
-	confflags += --build=$(DEB_BUILD_GNU_TYPE) --host=$(DEB_HOST_GNU_TYPE)
-endif
-
-D = $(CURDIR)/debian
-
-config.status: configure
-	dh_testdir
-	dh_update_autotools_config
-
-	./configure \
-		CPPFLAGS="$(CPPFLAGS)" \
-		CFLAGS="$(CFLAGS)" \
-		LDFLAGS="$(LDFLAGS)" \
-		$(confflags) \
-		--disable-silent-rules \
-		--prefix=/usr \
-		--libdir=\$${prefix}/lib/$(DEB_HOST_MULTIARCH)
-
-build-indep:
-
-build-arch: config.status
-	dh_testdir
-
-ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
-	$(MAKE) VERBOSE=1 check
-else
-	$(MAKE)
-endif
-
-build: build-indep build-arch
-
-clean:
-	dh_testdir
-	dh_testroot
-
-	[ ! -f Makefile ] || $(MAKE) distclean
-
-	dh_clean
-
-install-indep:
-
-install-arch: build-arch
-	dh_testdir
-	dh_testroot
-	dh_prep
-	dh_installdirs -a
-
-	$(MAKE) install DESTDIR=$(D)/tmp
-
-install:
-
-binary-indep: install-indep
-# Nothing to do.
-
-binary-arch: install-arch
-	dh_testdir
-	dh_testroot
-	dh_install -a
-	dh_installchangelogs -a
-	dh_installdocs -a
-	dh_installman -a
-	dh_link -a
-	dh_strip -a
-	dh_compress -a
-	dh_fixperms -a
-	dh_missing -a --list-missing
-	dh_makeshlibs -a
-	dh_installdeb -a
-	dh_shlibdeps -a
-	dh_gencontrol -a
-	dh_md5sums -a
-	dh_builddeb -a
-
-binary: binary-arch binary-indep
-
-.PHONY: build-indep build-arch build clean binary-indep binary-arch binary install
+%:
+	dh $@