diff --git a/sys-process/procps/files/procps-4.0.5-sysctl-ignore_failure.patch b/sys-process/procps/files/procps-4.0.5-sysctl-ignore_failure.patch
new file mode 100644
index 0000000000000..393da09f853ec
--- /dev/null
+++ b/sys-process/procps/files/procps-4.0.5-sysctl-ignore_failure.patch
@@ -0,0 +1,21 @@
+Don't error for close_stream failure if the config line begins with "-"
+https://bugs.gentoo.org/969014
+https://gitlab.com/procps-ng/procps/-/issues/410
+
+--- procps-ng-4.0.5/src/sysctl.c
++++ procps-ng-4.0.5/src/sysctl.c
+@@ -623,9 +623,12 @@ static int WriteSetting(
+             if (0 < fprintf(fp, "%s\n", value))
+                 rc = EXIT_SUCCESS;
+             if (close_stream(fp) != 0) {
+-                xwarn(_("setting key \"%s\""), dotted_key);
++                xwarn(_("setting key \"%s\"%s"),
++                      dotted_key, (ignore_failure?_(", ignoring"):""));
+ 		free(dotted_key);
+-                return EXIT_FAILURE;
++                if (!ignore_failure)
++                    rc = EXIT_FAILURE;
++                return rc;
+             }
+         }
+     }
diff --git a/sys-process/procps/procps-4.0.5-r4.ebuild b/sys-process/procps/procps-4.0.5-r4.ebuild
new file mode 100644
index 0000000000000..a517263d84dc3
--- /dev/null
+++ b/sys-process/procps/procps-4.0.5-r4.ebuild
@@ -0,0 +1,135 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit autotools flag-o-matic multilib-minimal toolchain-funcs
+
+DESCRIPTION="Standard informational utilities and process-handling tools"
+HOMEPAGE="https://gitlab.com/procps-ng/procps"
+# Per e.g. https://gitlab.com/procps-ng/procps/-/releases/v4.0.5, the dist tarballs
+# are still hosted on SF.
+SRC_URI="https://downloads.sourceforge.net/${PN}-ng/${PN}-ng-${PV}.tar.xz"
+S="${WORKDIR}"/${PN}-ng-${PV}
+
+# See bug #913210
+LICENSE="GPL-2+ LGPL-2+ LGPL-2.1+"
+SLOT="0/1-ng"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+IUSE="elogind +kill modern-top +ncurses nls selinux static-libs skill systemd test unicode"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+	elogind? ( sys-auth/elogind )
+	elibc_musl? ( sys-libs/error-standalone )
+	ncurses? ( >=sys-libs/ncurses-5.7-r7:=[unicode(+)?] )
+	selinux? ( sys-libs/libselinux[${MULTILIB_USEDEP}] )
+	systemd? ( sys-apps/systemd[${MULTILIB_USEDEP}] )
+"
+RDEPEND="
+	${DEPEND}
+	!<app-i18n/man-pages-l10n-4.2.0-r1
+	!<app-i18n/man-pages-de-2.12-r1
+	!<app-i18n/man-pages-pl-0.7-r1
+	!<app-i18n/man-pages-zh_CN-1.6.4.2
+	kill? (
+		!sys-apps/coreutils[kill]
+		!sys-apps/util-linux[kill]
+	)
+"
+BDEPEND="
+	elogind? ( virtual/pkgconfig )
+	elibc_musl? ( virtual/pkgconfig )
+	ncurses? ( virtual/pkgconfig )
+	systemd? ( virtual/pkgconfig )
+	test? ( dev-util/dejagnu )
+"
+
+# bug #898830
+QA_CONFIG_IMPL_DECL_SKIP=( makedev )
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-4.0.4-xfail-pmap-test.patch
+	"${FILESDIR}"/${PN}-4.0.5-sysctl-manpage.patch # bug #565304
+	"${FILESDIR}"/${PN}-4.0.5-fix-tests-multilib.patch
+	"${FILESDIR}"/${PN}-4.0.5-top-legacy-config-vuln.patch # bug #958286
+	"${FILESDIR}"/${PN}-4.0.5-macos.patch
+	"${FILESDIR}"/${PN}-4.0.5-pgrep-old-linux-headers.patch # bug #911375
+	"${FILESDIR}"/${PN}-4.0.5-pidwait-half.patch # bug #959706
+	"${FILESDIR}"/${PN}-4.0.5-pgrep-pidwait.patch
+	"${FILESDIR}"/${PN}-4.0.5-sysctl-ignore_failure.patch # bug #969014
+)
+
+src_prepare() {
+	default
+
+	# Only needed for fix-tests-multilib.patch and pgrep-old-linux-headers.patch
+	eautoreconf
+}
+
+multilib_src_configure() {
+	# http://www.freelists.org/post/procps/PATCH-enable-transparent-large-file-support
+	# bug #471102
+	append-lfs-flags
+
+	# Workaround for bug #947680, can be dropped w/ >4.0.5
+	if use elibc_musl ; then
+		append-cflags "$($(tc-getPKG_CONFIG) --cflags error-standalone)"
+		append-libs "$($(tc-getPKG_CONFIG) --libs error-standalone)"
+	fi
+
+	local myeconfargs=(
+		# No elogind multilib support
+		$(multilib_native_use_with elogind)
+		$(multilib_native_use_enable kill)
+		$(multilib_native_use_enable modern-top)
+		$(multilib_native_enable pidof)
+		$(multilib_native_enable pidwait)
+		$(multilib_native_use_with ncurses)
+		# bug #794997
+		$(multilib_native_use_enable !elibc_musl w)
+		$(use_enable nls)
+		$(use_enable selinux libselinux)
+		$(use_enable static-libs static)
+		$(use_with systemd)
+		$(use_enable skill)
+	)
+
+	if use ncurses; then
+		# Only pass whis when we are building the 'watch' command
+		myeconfargs+=( $(multilib_native_use_enable unicode watch8bit) )
+	fi
+
+	ECONF_SOURCE="${S}" econf "${myeconfargs[@]}"
+}
+
+multilib_src_test() {
+	local ps="${BUILD_DIR}/src/ps/pscommand"
+	if [[ $("${ps}" --no-headers -o cls -q $$) == IDL ]]; then
+		# bug #708230
+		ewarn "Skipping tests due to SCHED_IDLE"
+	else
+		# bug #461302
+		emake check </dev/null
+	fi
+}
+
+multilib_src_install() {
+	default
+
+	dodoc "${S}"/sysctl.conf
+
+	if multilib_is_native_abi; then
+		# We keep ps and kill in /bin per bug #565304.
+		dodir /bin
+		mv "${ED}"/usr/bin/ps "${ED}"/bin/ || die
+		if use kill; then
+			mv "${ED}"/usr/bin/kill "${ED}"/bin/ || die
+		fi
+	fi
+}
+
+multilib_src_install_all() {
+	einstalldocs
+	find "${ED}" -type f -name '*.la' -delete || die
+}