diff --git a/dev-python/tridesclous/Manifest b/dev-python/tridesclous/Manifest
index 713fce9..6dcdb8e 100644
--- a/dev-python/tridesclous/Manifest
+++ b/dev-python/tridesclous/Manifest
@@ -1 +1,2 @@
 DIST tridesclous-1.6.4.tar.gz 11798060 BLAKE2B 05603bc789ea53eed8bf5a40674975b754c9375cd1b80a470c07089c988b9c3d8822747a0c73d3c4a375c6663190d15492e4e59c0fdeaac48beee66ee2b4fabf SHA512 afb50bbbe51fa57fbe7479576c8bebefbd56d8bc135ec38362cdf8b9e51cb4da990d7262e653a9636b1a7b8e45d4f9c4700a37884a235958978b75b968be2a19
+DIST tridesclous-1.6.6.tar.gz 11798502 BLAKE2B af9eb4d4e899f2a065d37e6daaae9ad04209b3d10c250957985ef3603e5d5727947dafff75adf5bb892a4ccbbf2f575f682bd601afcf36bda48f5f7a2af6ab26 SHA512 b101a8a8c2e95b7eb51b7d24d2708a30421be63d48d5a7047dfa2be3ce0f15ce02ce518d5516d5fae3d040cb0d2037a49afd34fdbd03bc641dc42014d8861d0d
diff --git a/dev-python/tridesclous/tridesclous-1.6.6.ebuild b/dev-python/tridesclous/tridesclous-1.6.6.ebuild
new file mode 100644
index 0000000..63e2c91
--- /dev/null
+++ b/dev-python/tridesclous/tridesclous-1.6.6.ebuild
@@ -0,0 +1,67 @@
+# Copyright 2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..10} )
+inherit distutils-r1
+
+DESCRIPTION="offline/online spike sorting"
+HOMEPAGE="https://github.com/tridesclous/tridesclous"
+SRC_URI="https://github.com/tridesclous/tridesclous/archive/refs/tags/${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="gui test"
+#RESTRICT="test"
+# Tests fail, reported upstream
+# https://github.com/tridesclous/tridesclous/issues/175
+
+RDEPEND="
+	dev-python/cython[${PYTHON_USEDEP}]
+	dev-python/hdbscan[${PYTHON_USEDEP}]
+	dev-python/loky[${PYTHON_USEDEP}]
+	dev-python/matplotlib[${PYTHON_USEDEP}]
+	dev-python/neo[${PYTHON_USEDEP}]
+	dev-python/numba
+	<dev-python/numpy-1.24.0[${PYTHON_USEDEP}]
+	dev-python/openpyxl[${PYTHON_USEDEP}]
+	dev-python/pandas[${PYTHON_USEDEP}]
+	dev-python/scipy[${PYTHON_USEDEP}]
+	dev-python/tqdm[${PYTHON_USEDEP}]
+	sci-libs/scikit-learn[${PYTHON_USEDEP}]
+	gui? (
+		dev-python/PyQt5[${PYTHON_USEDEP}]
+	)
+"
+# Technically also seaborn:
+# dev-python/seaborn[${PYTHON_USEDEP}]
+DEPEND="
+	test? (
+		${RDEPEND}
+	)
+"
+
+distutils_enable_tests pytest
+
+python_test() {
+	local EPYTEST_IGNORE=(
+		tridesclous/online/tests/test_launcher.py
+		tridesclous/online/tests/test_onlinepeeler.py
+		tridesclous/online/tests/test_onlinewindow.py
+	)
+	if use !gui ; then
+		EPYTEST_IGNORE+=(
+			tridesclous/gui/test_gpuselector.py
+			tridesclous/gui/icons/test_ressources.py
+			tridesclous/gui/tests/test_cataloguewindow.py
+			tridesclous/gui/tests/test_gui_tools.py
+			tridesclous/gui/tests/test_initializedatasetwindow.py
+			tridesclous/gui/tests/test_mainwindow.py
+			tridesclous/gui/tests/test_peelerwindow.py
+			tridesclous/gui/tests/test_probegeometryview.py
+		)
+	fi
+	epytest
+}