diff --git a/sys-kernel/libre-kernel/Manifest b/sys-kernel/libre-kernel/Manifest
index 3e65aa3..cc2cf15 100644
--- a/sys-kernel/libre-kernel/Manifest
+++ b/sys-kernel/libre-kernel/Manifest
@@ -4,12 +4,15 @@ DIST genpatches-5.15-128.base.tar.xz 5056336 BLAKE2B 7b25accd5e2c987050480abac7b
 DIST genpatches-5.15-128.extras.tar.xz 3932 BLAKE2B 64d34eee4a4ee36c8d2431d8341723eb0ec32be703fbb3927e7984e9ea365b7907f38b2f013e725221bfb7d867eb63da4e784506615e1cacf9018c58981a2ce3 SHA512 b735304d7990925485ca45f1cd0f6434a96af45269bb3e10b9b67a41f84440654f62831a5160125f8d0c1ff4587ab00294caa1fa5223e8daf86dc0393bc8a695
 DIST genpatches-5.15-133.base.tar.xz 5249652 BLAKE2B 309acc807e07bfcbb34e0ae87618d6dbb76e6481699fc017f449e61a2518e96e1abaf43ffe32bb9f76786fbe8bad5607407be4a40dd8d26be484943d5b4afee1 SHA512 f0c689a808a7724cb4f30d697c22a0a089df3e0f837440b22b6c32672355b79898c8097810fa1e420e0f8c364f5a33b6c373db58b7c8caac8b67be763a820cea
 DIST genpatches-5.15-133.extras.tar.xz 3932 BLAKE2B b99e279af41ad1d19a58e8f9b1bbf392c805a46c371d7a022a65c0090b5824c6ce26280525a0c21feda2a5a5cfffcafc690a2194d29af6a44e10a9d4c923db8b SHA512 7cd772a6feed01543305417ff03b834bb002821ccf254e7f5481623a7f16b0b54da5fc72c21f4ae3481308eaab08fcca8fc5103ffbed58dc4355cfb661f04f8e
+DIST genpatches-5.15-139.base.tar.xz 5486908 BLAKE2B 9bb9dce583643bf316d24dd741e13d26eb1a8adb1dd512d2fa69f5c1d901615622bd5170cca4efc63ca19e3e8454641529af2f9d989c9329ae2ce82c80a2b91e SHA512 91bfd0e55739e2fe833655fa52d904bea153cf156da109bd5548617bdcc44838bd3adb0bb4fe96ea8e27ad5f8836f191eb79151c7cd89254e3dff307f862f4f8
+DIST genpatches-5.15-139.extras.tar.xz 3932 BLAKE2B 57659070be3889530d15448b8c38961fb4e45f307ed0f9bec896c70ee3bbdc133136fffe0f4f2e268bc96005766c1d662912b0d27077e67f917f4b30458c7694 SHA512 ca2599baa4e1462ad723b0a2c28b8e73a961a0b1b71a27344eb20a7e89fd1607454cb349d3c4401b061813fef395ce395f2cf6e52a75c249e6d22228a0c0466f
 DIST genpatches-6.1-21.base.tar.xz 1052684 BLAKE2B 8ceb101f650a74dee8401a4a08cb052e821daa4f04b2a9c82e1cb40f0589aef8e6974fd5355922b19868558b373d1751bce7c5db5923c49433955dcd1863b1c5 SHA512 9db8c2413e56f7684bf4414ecdce3fc21984c69851125971e9dde372a6f8fd04c9f5159273d67815d96565062a221d8325664dd8762d353bd24f9afc02eeed11
 DIST genpatches-6.1-21.extras.tar.xz 3808 BLAKE2B 9d1bf513bea67b8ca4df1124b4c81857292b44f8e8c339b7295fee60cb04d323eef5de4f8a92714f641a68c3229a8b60b673760f7373ce54112f6f7231b18f4c SHA512 4439ead755188488e6f7c18210386121a78a30abcd8d56ca87d0069b7244ae87cf1ba312f033db49acf017ef6c581b58e0228baecf42df50e0d1d978fb4c5461
 DIST genpatches-6.1-24.base.tar.xz 1155780 BLAKE2B e6be4766ec5aba82d12d5209c1ac86b013482c2c1d40a9d5f72afa0f86555816c859795db9fa229415dc813e8b35851c98f11d17884d3e928684827b6c434778 SHA512 5e0c17ed36ccfe2d926e835a74b283ad40a21fdab33220c82c9e87ec2cbe17c3e6cc356bb62e17a1ca12901bd56694819708af438725c67b68c142c64f0a938c
 DIST genpatches-6.1-24.extras.tar.xz 3808 BLAKE2B 31803bf14b9c85373217e5b25fec9c401103b7ac996da14ddf03c69331b6073d6aab4c5c85241454fed43b559cdc6ce1be09c0a61315e79e9482907253e5fe4e SHA512 d5035bb0d8e99597e61a8939842a765e592db6133e923985268bfd7f69c512f5ed2cbf97c7372934794e103309c3649b3da11cbd26d4ba19464fdfc96f3759b4
 DIST gentoo-kernel-config-g6.tar.gz 4562 BLAKE2B ad9e1b28f84916f12cd8b21feb2f4396d3d63f4cfae3e6b6fe93f919c98b0b4523b205711ab7acafa7121360f696eecb63b9f162dd12950e56dab1429cc13633 SHA512 d180122eb00d40126ea7d79224559904eb0ea574314f9a8d6be6b10f0f6a49f526eba1366ae8cd0a4fe23cd8ff5e292c8cab7e856a2c915d4162b75a03f8076b
 DIST gentoo-kernel-config-g7.tar.gz 4625 BLAKE2B 72ba0d038ee34ca5eb26d43bd373735aef3a50d02b414993ea05485e49d83d46df98a6cb0f6f3170a8ec0c99b557432fd9a11cbb92ff7c2837625a7f4469831e SHA512 2d74a8ca9f5402b4290ed93cd3ddba04a7f2ff42c8d8d3f2cbbe22fc20daa0fca119368daa8af39b7a26b1b99e4e3187c3c5d95886a651675ad94ff98d686628
+DIST gentoo-kernel-config-g9.tar.gz 4981 BLAKE2B 1881cb550ea9e274cb5bcc3bff5b1aa6f28bc218a09825c5ab3ba2bff4ee1826398c9fbecc513b6dd20d195fd5cf26e1e7c631bf66100ab1887705a8e04fc79d SHA512 9dc2f30a33aa19fed3006e93330210c9db613febd842467e40d51c47eccac1dbdcb5a7037e9174e92c29e2a85a52ef2c31bbe2a8cccc7a22320b3dccb8aab17a
 DIST kernel-x86_64-fedora.config.5.15.19 223286 BLAKE2B 239995703c01dcb6d179133dd115bc0a57872c07d7a08afaf4d92cf6d78f0c17b19487b5b399ac7fdde5d460fa7931628147817a569fef2c3a62951c96054bdf SHA512 9bee4aff7e5ef4ada57bee7496aaf47b8fdd5c936c4c9b580660d130db0678eaecdebdbcab0dfcaf5c17a71f6419069840db10f5886806b6fc810f8a3619554f
 DIST kernel-x86_64-fedora.config.6.1.7-gentoo 228685 BLAKE2B e68236ccc1d51b2aff850eda9f3197b7ea95b8a88716bc7b07dad30348a86fdbb99a948060300dddae73ca82267d851d357f1c9547a9dcefae1364deebdbd124 SHA512 42bec2ddb9cf7eb6e84bbdeb23eb98dc11c9cea41f6134b776010c6b36833b520a290f0ef0145379de15c7f7834398fa5e3aaabd7258d7d4e89567faa09eeb4c
 DIST linux-libre-5.15.114-gnu.tar.xz 121493136 BLAKE2B 93635260c7265302a3509ced2a359761ebc037521eaf67804c31b0763110aaecb6fc03190b4e5d69a0da47457e983855e777735d773ce6764e340d5ad7e192e8 SHA512 0b9ad8d7f1985f3a97ed175c32564c9635f2df464f170b4cfd657fc1d322e01a788aa748d0ff655f811e2fe1f52f6cd3cee87158382207163f4ce8469a2f6b8a
@@ -18,6 +21,8 @@ DIST linux-libre-5.15.122-gnu.tar.xz 119766692 BLAKE2B 16b8fdd75db9a0ff9227d5af7
 DIST linux-libre-5.15.122-gnu.tar.xz.sign 195 BLAKE2B 3943d891f593e2a59a78236b701e8457aff2896787afd67bb11ba7efdf39cf5ae245002189d4b5af2e9fb7089bce98686bea5b119f15897b848461aea7eaa3f1 SHA512 b16270b79bb02f354c70a3651c52270f911e80b1c638325cd1ae14b98bc7352a5d75aba7b12c8d54b602888bc224d4a87181bb3a0190e50b45b416f78a178a26
 DIST linux-libre-5.15.127-gnu.tar.xz 121476536 BLAKE2B 14a0a3f01135c56fe56fccaa0b76066255dd78e4777e45e44634ab7d5c99390bf3bbe7c17088a6348c593e02bdb70330ce46e87cbcafda905d13cae5851f3ca6 SHA512 33e578db87281dcb3c7b2042b6964db726e411849566e721b1e160dbc8a8d11fa40a323e06678e9603248378573e574e817ff4e580d8fcede16ca2dfc7d9d5b8
 DIST linux-libre-5.15.127-gnu.tar.xz.sign 195 BLAKE2B d8f0e7600015df8d7ff237b3e8e979c484f6bd8a4bfaf1d87d216ae6ca344cf8342c579d2caec49bcdc05c2a062573f86724348f72c9e5939cfda4bdcc989d3d SHA512 e2e2b69cd6ee4f080d40d0fcce8a3b52ac3345ed5403c843efcd0cda0a9faf626b6b3eb5d076ca9c783c2395660f2aee26fb8c4b983389f64f9fe3293454f85d
+DIST linux-libre-5.15.133-gnu.tar.xz 119781352 BLAKE2B a50c7735cb52f3e896d7759503aeac2452a689a8030e34fe0fa1970e2d8e8dea55d8a468ea06229c4e5ba11712e86c67caf6522060fde253ae1659fda5559107 SHA512 8d10134a1a7a142b368d23c64f3537417c0f97c059312d050cc9ecd286bd945bd8e6789f8832aaa74a9be3b08a3a5be6ee5601326240aec1f6ea7eb8e77a12fd
+DIST linux-libre-5.15.133-gnu.tar.xz.sign 195 BLAKE2B 7963898e329acfba3e0b35aed1ddf159cb80e37f945183b2eff286882707dfed49eeba8a371491b75ba5f5633e66c375141bda036f506e60f6a08a3c650cc759 SHA512 eb59908ae6579a538aed8c5344b6e976cdb7dbb4e39ab5110015aef26ca5ab73d7df80f53c12f8e7c8b1343cea27518efe25207e52ac8bee90b70e9251b595cd
 DIST linux-libre-6.1.19-gnu.tar.xz 127193128 BLAKE2B 9f0aa053b7425064d1c0634911beb63d8015caa4de80fb0f241cc7d04148cdbe065498f925f2af29976349fe20c25d9988a5f2905d677ca66f013552f3114b71 SHA512 21ea759cbe4d0c657cd724d40f67d5da32531e94495ea9509f8cdfb475a52a24a340bbcae5d5238cfa80bdb5f4b7c8d814b9a422eb0fe67fc0d21ceef6ceb830
 DIST linux-libre-6.1.19-gnu.tar.xz.sign 195 BLAKE2B 76168997141cfafce0e6e5dbf8b5afdfd271ee988a4ffa473fa3dc4a86cab087f294be65497c97c3dcca3de8992beff57cf053be6785f92af797c23cf0b3bd25 SHA512 2267bedf4c51d5c60be216e27e3b1eb8ee31f088ad371963dbd598ae6386c66872b81827ad503cd22bac17babadf11022af4be9841edfb4cb10c85e1ad791180
 DIST linux-libre-6.1.22-gnu.tar.xz 127173720 BLAKE2B 10f50ed7299aa60bbb5b798188e1af58b660f2f7f8600979e2a3a08f2becd3bae6b725c3296641ab6a65eb28e4e7e176f0c00d9ce82ccc07070e42127154935e SHA512 89163ef90a333ab5bf2a3af93d07351ce68cd7452a0cfde0ea17fbb78b6662e8989e0a623f68161a2c2170bd5a665f4f640d90d94495d4d6bd6200a5d2ec9c54
diff --git a/sys-kernel/libre-kernel/libre-kernel-5.15.133.ebuild b/sys-kernel/libre-kernel/libre-kernel-5.15.133.ebuild
new file mode 100644
index 0000000..ba6c1d5
--- /dev/null
+++ b/sys-kernel/libre-kernel/libre-kernel-5.15.133.ebuild
@@ -0,0 +1,148 @@
+# Copyright 2020-2023 Gentoo Authors, projectmoon
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit kernel-build verify-sig
+
+BASE_VER="$(ver_cut 1).$(ver_cut 2).$(ver_cut 3)"
+RESTRICT="mirror"
+
+GENPATCHES_P=genpatches-${PV%.*}-$(( ${PV##*.} + 6 ))
+CONFIG_VER=5.15.19
+CONFIG_HASH=ec69da7a42b5b7c3da91572ef22097b069ddbd01
+GENTOO_CONFIG_VER=g9
+
+DESCRIPTION="GNU Linux-libre kernel built from upstream sources"
+HOMEPAGE="https://www.fsfla.org/ikiwiki/selibre/linux-libre/"
+SRC_URI+="
+	https://git.agnos.is/projectmoon/projectmoon-overlay-files/media/branch/main/sys-kernel/libre-kernel/linux-libre-${BASE_VER}-gnu.tar.xz
+	https://linux-libre.fsfla.org/pub/linux-libre/releases/${BASE_VER}-gnu/linux-libre-${BASE_VER}-gnu.tar.xz
+	https://dev.gentoo.org/~mpagano/dist/genpatches/${GENPATCHES_P}.base.tar.xz
+	https://dev.gentoo.org/~mpagano/dist/genpatches/${GENPATCHES_P}.extras.tar.xz
+	https://github.com/projg2/gentoo-kernel-config/archive/${GENTOO_CONFIG_VER}.tar.gz
+		-> gentoo-kernel-config-${GENTOO_CONFIG_VER}.tar.gz
+	verify-sig? (
+		https://git.agnos.is/projectmoon/projectmoon-overlay-files/media/branch/main/sys-kernel/libre-kernel/linux-libre-${BASE_VER}-gnu.tar.xz.sign
+		https://linux-libre.fsfla.org/pub/linux-libre/releases/${BASE_VER}-gnu/linux-libre-${BASE_VER}-gnu.tar.xz.sign
+	)
+	amd64? (
+		https://raw.githubusercontent.com/projg2/fedora-kernel-config-for-gentoo/${CONFIG_VER}/kernel-x86_64-fedora.config
+			-> kernel-x86_64-fedora.config.${CONFIG_VER}
+	)
+"
+
+# Workdir is named linux-PV.
+MY_P=linux-${PV}
+S=${WORKDIR}/${MY_P}
+
+LICENSE="GPL-2"
+KEYWORDS="amd64"
+IUSE="debug +gentoo"
+
+BDEPEND="
+	debug? ( dev-util/pahole )
+	verify-sig? ( sec-keys/openpgp-keys-linux-libre )
+"
+PDEPEND="
+	>=virtual/dist-kernel-${PV}
+"
+
+VERIFY_SIG_OPENPGP_KEY_PATH=${BROOT}/usr/share/openpgp-keys/linux-libre.asc
+
+pkg_pretend() {
+	if has_version -d sys-kernel/linux-firmware[redistributable]; then
+		ewarn "sys-kernel/linux-firmware was found installed on your system,"
+		ewarn "but it is configured to install non-Free firmware files."
+		ewarn "The non-Free firmware files may be required for some hardware"
+		ewarn "work. The Linux-libre kernel cannot load non-Free firmware."
+		ewarn "To install only the Free firmware, set the -redistributable"
+		ewarn "USE flag on sys-kernel/linux-firmware."
+
+		if use initramfs; then
+			elog
+			elog "If you decide to change or remove linux-firmware later, you"
+			elog "can rebuild the initramfs via issuing a command equivalent to:"
+			elog
+			elog "    emerge --config ${CATEGORY}/${PN}:${SLOT}"
+		fi
+	else
+		if ! has_version -d sys-kernel/linux-firmware; then
+			ewarn "sys-kernel/linux-firmware[-redistributable] not found installed"
+			ewarn "on your system. This package provides various firmware files that"
+			ewarn "may be needed for your hardware to work.  If in doubt, it is recommended"
+			ewarn "to pause or abort the build process and install it before"
+			ewarn "resuming."
+
+			if use initramfs; then
+				elog
+				elog "If you decide to install linux-firmware later, you can rebuild"
+				elog "the initramfs via issuing a command equivalent to:"
+				elog
+				elog "    emerge --config ${CATEGORY}/${PN}:${SLOT}"
+			fi
+		fi
+	fi
+}
+
+src_unpack() {
+	if use verify-sig; then
+		FILE="${DISTDIR}"/linux-libre-${PV}-gnu.tar.xz
+		SIGFILE="${DISTDIR}"/linux-libre-${PV}-gnu.tar.xz.sign
+		verify-sig_verify_detached $FILE $SIGFILE
+	fi
+
+	default
+}
+
+src_prepare() {
+	local PATCHES
+	if use gentoo; then
+		# Fiters out the kernel incremental version upgrade patches,
+		# leaving only the Gentoo bug fix/functionality changes. The
+		# regex removes any patches starting with 10XX to 14XX.
+		MY_PATCHES=$(find "${WORKDIR}"/*.patch -printf "%f\n" | grep -v -E -e '^1[01234][[:digit:]][[:digit:]]_.+.patch')
+		PATCHES=$(echo "$MY_PATCHES" | sed 's|^|'"${WORKDIR}/"'|g')
+	else
+		# If no patches are to be applied, apply only the config changes
+		# for a Gentoo installation, as this does not change any actual
+		# Kernel functionality.
+		PATCHES="${WORKDIR}/4567_distro-Gentoo-Kconfig.patch"
+	fi
+
+	default
+
+	local biendian=false
+
+	# prepare the default config
+	case ${ARCH} in
+		amd64)
+			cp "${DISTDIR}/kernel-x86_64-fedora.config.${CONFIG_VER}" .config || die
+			;;
+		*)
+			die "Unsupported arch ${ARCH}"
+			;;
+	esac
+
+	sed -i 's/EXTRAVERSION = -gnu/EXTRAVERSION = /' "${S}"/Makefile || \
+		die 'could not remove EXTRAVERSION'
+
+	local myversion="-gnu-dist"
+	echo "CONFIG_LOCALVERSION=\"${myversion}\"" > "${T}"/version.config || die
+	local dist_conf_path="${WORKDIR}/gentoo-kernel-config-${GENTOO_CONFIG_VER}"
+
+	local merge_configs=(
+		"${T}"/version.config
+		"${dist_conf_path}"/base.config
+	)
+	use debug || merge_configs+=(
+		"${dist_conf_path}"/no-debug.config
+	)
+
+	# this covers ppc64 and aarch64_be only for now
+	if [[ ${biendian} == true && $(tc-endian) == big ]]; then
+		merge_configs+=( "${dist_conf_path}/big-endian.config" )
+	fi
+
+	kernel-build_merge_configs "${merge_configs[@]}"
+}