diff --git a/dev-python/aesara/Manifest b/dev-python/aesara/Manifest
index 6d1da7e65614b..c46d28f664d0a 100644
--- a/dev-python/aesara/Manifest
+++ b/dev-python/aesara/Manifest
@@ -1 +1,2 @@
 DIST aesara-2.9.0.tar.gz 4421520 BLAKE2B e0c1cc0c48313c84c1ebe99e04e9d097bd37d63f7948b81df77538d647853233378aa2f2b985c1ab6e7f22adf47abef243addadad3505f332e465e1569d31e17 SHA512 2f36e5f462dc3dc36a0f7d7e99b01ae2be5091c2e6127d1f079245b104ce21cee7afff4dc4ade403e2e8a0dffa5feda2e0e9d4bd734192350672c85c36390c4b
+DIST aesara-2.9.1.tar.gz 4423120 BLAKE2B 7a9b789cf455a85baa48be20112e42a5449c955a57327125356968cbc8a9657d083a7aaa47048d322be05a822250f6c5cb50ff838b957595814d19499166e555 SHA512 17aa8f901a3194f82e4e47c78f23c91bb07ccfed7664e807537cd9db8d92f892357b1a7219b58881c16308b13689d088eaadcf113e17389e3f1297fc1d5e9381
diff --git a/dev-python/aesara/aesara-2.9.1.ebuild b/dev-python/aesara/aesara-2.9.1.ebuild
new file mode 100644
index 0000000000000..27ea65965c131
--- /dev/null
+++ b/dev-python/aesara/aesara-2.9.1.ebuild
@@ -0,0 +1,105 @@
+# Copyright 2021-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=hatchling
+PYTHON_COMPAT=( python3_{10..11} )
+
+inherit distutils-r1 multiprocessing optfeature pypi
+
+DESCRIPTION="Library for operating on mathematical expressions with multi-dimensional arrays"
+HOMEPAGE="
+	https://github.com/aesara-devs/aesara/
+	https://pypi.org/project/aesara/
+"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~riscv ~x86"
+
+RDEPEND="
+	dev-python/cons[${PYTHON_USEDEP}]
+	dev-python/etuples[${PYTHON_USEDEP}]
+	dev-python/logical-unification[${PYTHON_USEDEP}]
+	dev-python/minikanren[${PYTHON_USEDEP}]
+	dev-python/filelock[${PYTHON_USEDEP}]
+	<dev-python/numpy-1.25[${PYTHON_USEDEP}]
+	dev-python/scipy[${PYTHON_USEDEP}]
+	dev-python/typing-extensions[${PYTHON_USEDEP}]
+"
+BDEPEND="
+	dev-python/hatch-vcs[${PYTHON_USEDEP}]
+	test? (
+		dev-python/pytest-xdist[${PYTHON_USEDEP}]
+	)
+"
+
+PATCHES=(
+	"${FILESDIR}"/aesara-2.6.5-compiledir-tid.patch
+	"${FILESDIR}"/aesara-2.8.10-fix-tuple.patch
+)
+
+distutils_enable_tests pytest
+
+src_prepare() {
+	# do not claim "bin" package (sic!)
+	rm bin/__init__.py || die
+	distutils-r1_src_prepare
+}
+
+python_test() {
+	local EPYTEST_DESELECT=(
+		# speed tests are unreliable
+		tests/scan/test_basic.py::test_speed
+		tests/scan/test_basic.py::test_speed_rnn
+		tests/scan/test_basic.py::test_speed_batchrnn
+		tests/link/test_vm.py::test_speed
+		tests/link/test_vm.py::test_speed_lazy
+		tests/tensor/test_gc.py::test_merge_opt_runtime
+
+		# rounding problem?
+		# https://github.com/aesara-devs/aesara/issues/477
+		tests/tensor/test_math_scipy.py::TestGammaUBroadcast::test_good
+		tests/tensor/test_math_scipy.py::TestGammaUInplaceBroadcast::test_good
+
+		# Deprecation warning causes unexpected additional output
+		tests/tensor/test_basic.py::TestLongTensor::test_fit_int64
+
+		# dunno
+		tests/tensor/test_elemwise.py::TestDimShuffle::test_memory_leak
+		tests/tensor/signal/test_pool.py::TestDownsampleFactorMax::test_DownsampleFactorMaxGradGrad_grad
+
+		# TODO
+		tests/link/c/test_op.py::test_ExternalCOp_c_code_cache_version
+		tests/sparse/sandbox/test_sp.py::TestSP::test_multilayer_conv
+		tests/sparse/sandbox/test_sp.py::TestSP::test_maxpool
+
+		# TODO: Package pytest-benchmark
+		tests/scan/test_basic.py::TestExamples::test_reordering
+		tests/scan/test_basic.py::TestExamples::test_scan_as_tensor_on_gradients
+		tests/scan/test_basic.py::TestExamples::test_multiple_outs_taps
+		tests/scan/test_rewriting.py::TestPushOutAddScan::test_pregreedy_optimizer
+		tests/scan/test_rewriting.py::TestSaveMem::test_savemem_opt
+		tests/scan/test_basic.py::test_cython_performance
+	)
+	local EPYTEST_IGNORE=(
+		# we do not package jax or numba
+		tests/link/jax
+		tests/link/numba
+	)
+
+	local -x PYTEST_DISABLE_PLUGIN_AUTOLOAD=1
+	local -x AESARA_FLAGS="cxx=${CXX}"
+	AESARA_FLAGS+=",config.gcc__cxxflags=\"${CXXFLAGS}\""
+	AESARA_FLAGS+=',compiledir_format="compiledir_%(thread_id)s"'
+
+	epytest -p xdist.plugin -n "$(makeopts_jobs)" --dist=worksteal
+	# clean up the compiledir, as it can grow pretty large
+	rm -r "${HOME}"/.aesara || die
+}
+
+pkg_postinst() {
+	optfeature "GPU code generation/execution on NVIDIA gpus" dev-util/nvidia-cuda-toolkit
+	optfeature "GPU/CPU code generation on CUDA and OpenCL devices" dev-libs/libgpuarray dev-python/pycuda
+}