diff --git a/testing/vmm_clock-lts/APKBUILD b/testing/vmm_clock-lts/APKBUILD
new file mode 100644
index 00000000000..51722852fc9
--- /dev/null
+++ b/testing/vmm_clock-lts/APKBUILD
@@ -0,0 +1,95 @@
+# Contributor: Klemens Nanni <kn@openbsd.org>
+# Maintainer: Klemens Nanni <kn@openbsd.org>
+
+# when changing _ver we *must* bump _rel
+_name=vmm_clock
+_ver=0.2.0
+_rel=0
+
+# kernel version
+# when changing _kver/_krel make sure _rel=0
+_flavor=${FLAVOR:-lts}
+_kpkg="linux-$_flavor"
+_kver=6.1.27
+_krel=2
+_kpkgver="$_kver-r$_krel"
+
+# for custom kernels set $FLAVOR
+case $CARCH in
+# see $arch comment
+x86|x86_64) _extra_flavors="virt";;
+esac
+
+pkgname="$_name-$_flavor"
+pkgver=$_kver
+pkgrel=$(( _rel + _krel ))
+
+pkgdesc="clocksource under OpenBSD VMM"
+url="https://github.com/voutilad/vmm_clock"
+# amd64-only https://man.openbsd.org/vmm.4 supports i386 and amd64 guests
+arch="x86 x86_64"
+license="GPL-2.0-only"
+depends="$_kpkg=$_kpkgver"
+makedepends="$_kpkg-dev=$_kpkgver"
+source="$_name-$_ver.tar.gz::https://github.com/voutilad/vmm_clock/archive/refs/tags/$_ver.tar.gz"
+builddir="$srcdir/$_name-$_ver"
+options="!check" # no tests
+
+for f in $_extra_flavors; do
+	makedepends="$makedepends linux-$f-dev=$_kpkgver"
+	subpackages="$subpackages $_name-$f:_extra"
+done
+
+prepare() {
+	default_prepare
+	# verify the kernel version
+	local _kapkbuild="$startdir/../../main/linux-$_flavor-/APKBUILD"
+	if [ -f "$_kapkbuild" ]; then
+		(	. $_kapkbuild
+			pkgname=$_name-$_flavor
+			[ "$_kver" != "$pkgver" ] && die "please update _kver to $pkgver"
+			[ "$_krel" != "$pkgrel" ] && die "please update _krel to $pkgrel"
+			return 0
+		)
+	fi
+	local flavor=
+	for flavor in $_flavor $_extra_flavors; do
+		cp -r "$builddir" "$srcdir/$flavor"
+	done
+}
+
+build() {
+	local flavor= kabi=
+	for flavor in $_flavor $_extra_flavors; do
+		kabi="$_kver-$_krel-$flavor"
+		make -C "$srcdir/$flavor" KERNELRELEASE="$kabi"
+	done
+}
+
+package() {
+	local flavor= kabi= module= modules="vmm_clock"
+	for flavor in $_flavor $_extra_flavors; do
+		kabi="$_kver-$_krel-$flavor"
+		for module in $modules; do
+			install -Dm644 "$srcdir/$flavor/$module.ko" \
+				"$pkgdir/lib/modules/$kabi/extra/$module.ko"
+		done
+		printf '%s\n' $modules |
+			install -D -m644 /dev/stdin \
+				"$pkgdir/lib/modules-load.d/$_name-$flavor".conf
+	done
+}
+
+_extra() {
+	local flavor=${subpkgname##*-}
+	depends="linux-$flavor=$_kpkgver"
+	pkgdesc="$pkgdesc for $flavor kernel"
+
+	amove \
+		lib/modules/*-$flavor \
+		lib/modules-load.d/*-$flavor.conf
+}
+
+sha512sums="
+00d6f74cb78d01ed641225e0d74e0dbc892372722712a5981c553d6a50e9014114c1c65a2f8a222be4caa82b08e7acc56805add958e89da996d28266a92da2c6  vmm_clock-0.2.0.tar.gz
+"