diff --git a/www-apps/misskey/Manifest b/www-apps/misskey/Manifest
index d858d5f..750b42b 100644
--- a/www-apps/misskey/Manifest
+++ b/www-apps/misskey/Manifest
@@ -2,4 +2,6 @@ DIST misskey-12.111.1-deps.tar.xz 479854680 BLAKE2B 715e18d9e42334d17293ddb8edb7
 DIST misskey-12.111.1.tar.gz 4843917 BLAKE2B 57b3c315e7a91d732e30878b575fd8b167939f83cdd8291a6eab2bf3788278463ca1fc1fab1715cc1314796f772fe8cdf35217d2d975060d3f178739bde06018 SHA512 08a0c1f423456bcaa19be81eb0ca356702e2cc24615b4d101b9e4cafd80cbd90b27d90dddc40cbf20d94c483ea8f84c3356acc23191d200907305713040169a9
 DIST misskey-12.112.3-deps.tar.xz 581620200 BLAKE2B e2a0db68cc77f97fbcc881b9e4cb28073c6fc17b1e6fcbc4bb71e4d4b96af4aed682fe46c13a80583aadee88b2a2ec0a2202f8991acaadc1d78e84b71e1f2de8 SHA512 9c2279619d7fd7e24cce98a4cfcb73684b062d6d82ea7a5751e6b6acf7f6d269488a6e264c6eb3d8bc83e1abe139700e93284f51862d1260670be8a4c8cbc7f5
 DIST misskey-12.112.3.tar.gz 19866516 BLAKE2B 5b5e921a61f281488ce0bcdeea49c0a50be89fcf108f4083c65039a0b474968c1ad26cb68ac1bc017c59400ba2033c6a85f4ed216e33ed9698a941bd40269774 SHA512 bbfe0d791ec7b16bbe3dd1a393c0cf60d9e58e0d039a53dcc1b71c610b3b362e22aae1c29f0ab91e3a77c05a8e25e167df41da58a4b1170acb056b9b0dacc0bb
+DIST misskey-12.115.0-deps.tar.xz 561393364 BLAKE2B b66b812d31778bc6ffa850d70bca5b862765d2798185971a710d0be04e8515a66e9b9f4870475611840bf26bb1ba98aa960605d92c6d3c59bacd245520dde28b SHA512 46f4da31cce61e3800b7e7fd9a5d5a29548d6afb5a384f1bc9f06e25a352ecff8618649c49e7e96bbbdd565edbc94909d9ed537aa2ba192c8a361b3f6cae7fd7
+DIST misskey-12.115.0.tar.gz 19874071 BLAKE2B 040c6e7e357dab8c192c48bd58df59b01d1be05856a66e275f7eface1b5093be2405ce6ed52e0c5d4c8aa5fe4d942b67afe5c465b8891d3bcac729a19037ffc9 SHA512 ae9dc04b14702fba40a426f129a256bda1e7c6fe20eefae544b0a1772e9f3fc176f2444b33580caf41837a586a53b7c6a64b2f7523bcba34cec59751cef71b4a
 DIST misskey-assets-0179793ec891856d6f37a3be16ba4c22f67a81b5.tar.gz 40471635 BLAKE2B 5305b5b316aa9d27f860e0e2c86f55eeb4140fd76c9cc7a753f78f93c509a10237033ec2109d2e806605f302d3fc9e9b916d2967053a4bce9b2cdea14df5885b SHA512 b4de7d8ab43f27e14372bb7246be4b032b142f22913ceaaa01e7631a1f702ba77ccf25482038cf2341f7a0ae92d54a1200bb654cac1d409b1ddcc113513b3f16
diff --git a/www-apps/misskey/misskey-12.115.0.ebuild b/www-apps/misskey/misskey-12.115.0.ebuild
new file mode 100644
index 0000000..ce437eb
--- /dev/null
+++ b/www-apps/misskey/misskey-12.115.0.ebuild
@@ -0,0 +1,152 @@
+# Copyright 2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit optfeature savedconfig
+
+# NOTE: update for each bump
+MY_COMMIT_ASSETS="0179793ec891856d6f37a3be16ba4c22f67a81b5"
+
+DESCRIPTION="An interplanetary microblogging platform"
+HOMEPAGE="https://misskey-hub.net/"
+SRC_URI="
+	https://github.com/misskey-dev/misskey/archive/refs/tags/${PV}.tar.gz -> ${P}.tar.gz
+	https://github.com/misskey-dev/assets/archive/${MY_COMMIT_ASSETS}.tar.gz -> ${PN}-assets-${MY_COMMIT_ASSETS}.tar.gz
+	https://tastytea.de/files/gentoo/${P}-deps.tar.xz
+"
+
+# NOTE: to generate the deps archive:
+#       export YARN_CACHE_FOLDER="$(realpath ./packages-cache)"
+#       export CYPRESS_CACHE_FOLDER="$(realpath ./packages-cache)"
+#       export npm_config_cache="$(realpath ./packages-cache)"
+#       yarn clean-all && rm -rf packages-cache
+#       yarn install
+#       tar -caf ${P}-deps.tar.xz packages-cache
+#       unset YARN_CACHE_FOLDER CYPRESS_CACHE_FOLDER npm_config_cache
+
+LICENSE="GPL-3"
+SLOT="0"
+#KEYWORDS="~amd64"
+IUSE="nginx +savedconfig source"
+
+REQUIRED_USE="savedconfig"
+
+RESTRICT="strip network-sandbox"
+
+COMMON_DEPEND="
+	>=net-libs/nodejs-16:=[npm]
+	<net-libs/nodejs-19
+	sys-apps/yarn
+"
+BDEPEND="
+	${COMMON_DEPEND}
+	dev-lang/nasm
+	virtual/pkgconfig
+"
+RDEPEND="
+	${COMMON_DEPEND}
+	acct-user/misskey
+	dev-db/postgresql
+	dev-db/redis
+	nginx? ( www-servers/nginx )
+"
+
+QA_PREBUILT="
+	/opt/misskey/misskey/packages/backend/node_modules/msgpackr-extract/prebuilds/*
+	/opt/misskey/misskey/packages/client/node_modules/microtime/prebuilds/*
+"
+
+src_unpack() {
+	default
+	mv --no-target-directory assets-${MY_COMMIT_ASSETS} ${P}/${PN}-assets \
+		|| die "Could not move assets"
+	mv packages-cache ${T}/ || die "Could not move packages cache"
+}
+
+src_prepare() {
+	export YARNFLAGS="--offline --verbose --frozen-lockfile"
+	export YARN_CACHE_FOLDER="${T}"/packages-cache
+	export CYPRESS_CACHE_FOLDER="${T}"/packages-cache
+	export npm_config_cache="${T}"/packages-cache
+	# use system node-gyp
+	PATH+=":/usr/lib64/node_modules/npm/bin/node-gyp-bin"
+	export npm_config_nodedir=/usr/include/node/
+
+	restore_config .config/default.yml
+	if [[ ! -f .config/default.yml ]]; then
+		eerror "Edit .config/example.yml and save it to the location mentioned above"
+		die "No config file found"
+	fi
+
+	default
+}
+
+src_compile() {
+	yarn ${YARNFLAGS} install || die "dependency installation failed"
+	NODE_ENV=production yarn ${YARNFLAGS} build || die "build failed"
+}
+
+src_install() {
+	insinto opt/misskey/misskey
+	insopts -o misskey -g misskey
+	if use source; then
+		doins -r .
+	else
+		doins -r package.json .node-version .config built packages
+	fi
+
+	# insopts doesn't affect directories
+	chown --recursive misskey:misskey "${ED}"/opt/misskey/misskey
+	chmod o= "${ED}"/opt/misskey/misskey
+
+	newinitd ${FILESDIR}/${PN}.initd ${PN}
+	if use nginx; then
+		sed -i 's/use logger$/use logger nginx/' "${ED}"/etc/init.d/${PN} \
+			|| die "Could not modify OpenRC init script"
+	fi
+
+	einstalldocs
+}
+
+pkg_preinst() {
+	# Apparently Misskey creates files at runtime that can interfere
+	# after an upgrade. Normally you would run 'yarn cleanall'.
+	einfo "Cleaning up Misskey directory …"
+	su --shell /bin/bash --login --command \
+		"rm -rf misskey/{built,packages,node_modules}" \
+		misskey || die "cleanup failed"
+}
+
+pkg_postinst() {
+	# Only run migrations if database exists
+	if su --login --command "psql misskey -c ''" postgres; then
+		einfo "Running 'yarn migrate'"
+		su --shell /bin/bash --login --command \
+		   "cd misskey && yarn ${YARNFLAGS} --verbose migrate" \
+		   misskey || die "migration failed"
+	else
+		elog "Run emerge --config ${CATEGORY}/${PN} to initialise the PostgreSQL database"
+	fi
+
+	if use nginx; then
+		einfo "An nginx example config can be found at <https://misskey-hub.net/en/docs/admin/nginx.html>"
+	fi
+
+	optfeature "thumbnail generation support" media-video/ffmpeg
+}
+
+pkg_config() {
+	einfo "Initialising PostgreSQL database"
+	echo -n "password for misskey user: "
+	read MY_PASSWORD || die "Reading password failed"
+	echo "create database misskey; create user misskey with encrypted password '${MY_PASSWORD}'; grant all privileges on database misskey to misskey; \q" \
+		| su --login --command psql postgres || die "database creation failed"
+
+	su --shell /bin/bash --login --command \
+		"cd misskey && yarn ${YARNFLAGS} run init" \
+		misskey || die "database initialisation failed"
+
+	ewarn "When you first start Misskey you will be asked to add an admin account via the web interface, and registrations are enabled."
+	ewarn "Do not expose the web interface to the public until after you configured your instance\!"
+}