diff --git a/net-misc/maestral/Manifest b/net-misc/maestral/Manifest
index e38fa58d12..b06f3154f8 100644
--- a/net-misc/maestral/Manifest
+++ b/net-misc/maestral/Manifest
@@ -1,2 +1,3 @@
 DIST maestral-1.5.3.gh.tar.gz 8280040 BLAKE2B dcda43880cea3fb00098b6bf87e43318a523a7c9d83886efff58be715cde17f67504b31735a006b951963e5cf0ef70b4b6431cb84200722cae186053a01edd63 SHA512 aa21277623f4e6f3283cd989be910eeb1caa3a842abca595b27a551c1c9bd1e7ef083e495ee0f096190accd91835939cb2f4a26624feae0046d8770d53aaac2f
 DIST maestral-1.6.5.gh.tar.gz 7983512 BLAKE2B b77cc7eb1a6089cc78e47680d99a53bc4c4752feed3970a57e67eefcf1ab2491c0b3aaebd2fb7caf6fc5420eef2e7fe8776e87047f82db7d1466a4c3d17beaf8 SHA512 ee182505b305dbd6730078ce71725eb75515fb5682889c5226c26a69d32f85ad28e335bcd65b57fd1624da8ecd8914df337a93f6b296d86dcc6e94d4f2747995
+DIST maestral-1.6.6_rc0.gh.tar.gz 7985437 BLAKE2B 2a88625f4b0b1e2097c747e5893308c73dd402ec613557439a9ac8a974390fa7fb03d7c05747f0266c6e74fb09c09aba239948d0dec2a1aa8e778399ad52b097 SHA512 38bab89f7ce81e8a9db4958eee401fc7b47f16f1cf5018a659a53777872cd5bc305bd9aa4749912de23b4b178c38efa07518346714a7ad05c173389eb012fbb8
diff --git a/net-misc/maestral/maestral-1.6.5.ebuild b/net-misc/maestral/maestral-1.6.5.ebuild
index 6ac6e77739..bca96dbc61 100644
--- a/net-misc/maestral/maestral-1.6.5.ebuild
+++ b/net-misc/maestral/maestral-1.6.5.ebuild
@@ -3,18 +3,21 @@
 
 EAPI=8
 
-PYTHON_COMPAT=( python3_{9..11} )
 DISTUTILS_USE_PEP517=setuptools
-
+PYTHON_COMPAT=( python3_{9..11} )
 inherit distutils-r1 xdg
 
+MY_PV=${PV/_rc/.dev}
 DESCRIPTION="Maestral is an open-source Dropbox client written in Python"
 HOMEPAGE="https://maestral.app"
-SRC_URI="https://github.com/samschott/maestral/archive/refs/tags/v${PV}.tar.gz -> ${P}.gh.tar.gz"
+SRC_URI="https://github.com/samschott/maestral/archive/refs/tags/v${MY_PV}.tar.gz -> ${P}.gh.tar.gz"
+S="${WORKDIR}"/${PN}-${MY_PV}
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~amd64"
+if [[ ${PV} != *_rc* ]]; then
+	KEYWORDS="~amd64"
+fi
 
 RDEPEND="
 	>=dev-python/click-8.0.2[${PYTHON_USEDEP}]
diff --git a/net-misc/maestral/maestral-1.6.6_rc0.ebuild b/net-misc/maestral/maestral-1.6.6_rc0.ebuild
new file mode 100644
index 0000000000..bca96dbc61
--- /dev/null
+++ b/net-misc/maestral/maestral-1.6.6_rc0.ebuild
@@ -0,0 +1,54 @@
+# Copyright 2021-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_COMPAT=( python3_{9..11} )
+inherit distutils-r1 xdg
+
+MY_PV=${PV/_rc/.dev}
+DESCRIPTION="Maestral is an open-source Dropbox client written in Python"
+HOMEPAGE="https://maestral.app"
+SRC_URI="https://github.com/samschott/maestral/archive/refs/tags/v${MY_PV}.tar.gz -> ${P}.gh.tar.gz"
+S="${WORKDIR}"/${PN}-${MY_PV}
+
+LICENSE="MIT"
+SLOT="0"
+if [[ ${PV} != *_rc* ]]; then
+	KEYWORDS="~amd64"
+fi
+
+RDEPEND="
+	>=dev-python/click-8.0.2[${PYTHON_USEDEP}]
+	>=dev-python/desktop-notifier-3.3.0[${PYTHON_USEDEP}]
+	>=dev-python/dropbox-sdk-python-11.28.0[${PYTHON_USEDEP}]
+	<dev-python/dropbox-sdk-python-12.0.0[${PYTHON_USEDEP}]
+	>=dev-python/fasteners-0.15[${PYTHON_USEDEP}]
+	>=dev-python/keyring-22.0.0[${PYTHON_USEDEP}]
+	>=dev-python/keyrings-alt-3.1.0[${PYTHON_USEDEP}]
+	dev-python/packaging[${PYTHON_USEDEP}]
+	>=dev-python/pathspec-0.5.8[${PYTHON_USEDEP}]
+	>=dev-python/Pyro5-5.10[${PYTHON_USEDEP}]
+	>=dev-python/requests-2.16.2[${PYTHON_USEDEP}]
+	dev-python/rich[${PYTHON_USEDEP}]
+	>=dev-python/survey-3.4.3[${PYTHON_USEDEP}]
+	<dev-python/survey-4.0.0[${PYTHON_USEDEP}]
+	>=dev-python/watchdog-2.0.1[${PYTHON_USEDEP}]
+"
+BDEPEND="
+	dev-python/build[${PYTHON_USEDEP}]
+"
+
+EPYTEST_DESELECT=(
+	# requires dev-python/pytest-benchmark not available for py3.11
+	tests/offline/test_clean_local_events.py::test_performance
+
+	# requires systemd
+	tests/offline/test_cli.py::test_autostart
+
+	# requires network
+	tests/offline/test_main.py::test_check_for_updates
+)
+
+distutils_enable_tests pytest