diff -Nru hurd-0.9.git20250420/debian/control hurd-0.9.git20250420/debian/control
--- hurd-0.9.git20250420/debian/control	2025-04-20 15:54:12.000000000 +0200
+++ hurd-0.9.git20250420/debian/control	2025-06-11 15:52:32.000000000 +0200
@@ -29,7 +29,6 @@
  uuid-dev <!stage1 !stage2>,
  libblkid-dev <!stage1 !stage2>,
  liblwip-dev <!stage1 !stage2>
-Rules-Requires-Root: debhelper/upstream-make-install
 Uploaders: Michael Banck <mbanck@debian.org>,
  Samuel Thibault <sthibault@debian.org>
 Homepage: https://www.gnu.org/software/hurd/hurd.html
diff -Nru hurd-0.9.git20250420/debian/patches/fix-rootless-build.patch hurd-0.9.git20250420/debian/patches/fix-rootless-build.patch
--- hurd-0.9.git20250420/debian/patches/fix-rootless-build.patch	1970-01-01 01:00:00.000000000 +0100
+++ hurd-0.9.git20250420/debian/patches/fix-rootless-build.patch	2025-06-11 15:52:32.000000000 +0200
@@ -0,0 +1,34 @@
+Description: fix rootless build
+Instead of setting the owner and setuid bit during `make install` which
+requires (fake) root, only set it in debian/rules via chown u+s
+
+Author: Fabian Grünbichler <debian@fabian.gruenbichler.email>
+
+---
+Last-Update: 2025-06-18
+
+--- hurd-0.9.git20250420.orig/daemons/Makefile
++++ hurd-0.9.git20250420/daemons/Makefile
+@@ -31,8 +31,6 @@ HURDLIBS = fshelp ports shouldbeinlibc
+ OBJS = $(SRCS:.c=.o)
+ getty-LDLIBS = -lutil
+ 
+-INSTALL-mail.local-ops = -o root -m 4755
+-
+ include ../Makeconf
+ 
+ rc: rc.sh
+--- hurd-0.9.git20250420.orig/utils/Makefile
++++ hurd-0.9.git20250420/utils/Makefile
+@@ -42,11 +42,6 @@ setauth-LDLIBS = $(and $(HAVE_LIBCRYPT),
+ mount-LDLIBS = $(libblkid_LIBS)
+ mount-CPPFLAGS = $(libblkid_CFLAGS)
+ 
+-INSTALL-login-ops = -o root -m 4755
+-INSTALL-ids-ops = -o root -m 4755
+-INSTALL-ps-ops = -o root -m 4755
+-INSTALL-w-ops = -o root -m 4755
+-
+ include ../Makeconf
+ 
+ ps addauth rmauth setauth unsu msgport: parse.o pids.o
diff -Nru hurd-0.9.git20250420/debian/patches/series hurd-0.9.git20250420/debian/patches/series
--- hurd-0.9.git20250420/debian/patches/series	2025-06-11 15:52:32.000000000 +0200
+++ hurd-0.9.git20250420/debian/patches/series	2025-06-11 15:52:32.000000000 +0200
@@ -29,3 +29,4 @@
 git-ENOSPC
 git-console-client-compose
 local-64b-align
+fix-rootless-build.patch