diff --git a/dev-python/google-auth/Manifest b/dev-python/google-auth/Manifest
index fb2cc346da49d..e13d05ae9cf22 100644
--- a/dev-python/google-auth/Manifest
+++ b/dev-python/google-auth/Manifest
@@ -1,2 +1,3 @@
 DIST google-auth-2.17.1.tar.gz 222594 BLAKE2B edc7ee29741418ab0e37a7b24591942ef4a973f67308d41e8715ab809dc3549e3ea307863ec2667d57223b3cb88802d535291845fcef48271b0cbc086aef839a SHA512 ddb4c9a5f9d01e4218666e632cd1eb2e9e8c852f833015c6e6e736a713cabf7ede0b1314526428fd3edd8b71565fee6cd8199252ee8fa011ef54aa543d3764ce
 DIST google-auth-2.17.3.tar.gz 222865 BLAKE2B 32b7a483cf458415157057fc92631ca4b822d31505b6b037dce8b9bb210982e4c6164db0b8453e5ef40c9d79c56939efaac74024e60aa95d69f843511e6399d0 SHA512 a731260cdfd74a2a095d682aecde55807727eb24fbc4c0ea0da2fb24a6b0f9eed5653cf9ce18ce2caee2e79a7bcadb7a9342aa511db30358c670afbf01c2fd4c
+DIST google-auth-2.18.0.tar.gz 224653 BLAKE2B 56de5ac899bd6f143e1e1481d787627821c4f82cd4cd94597c6dce9753a7ea9605b9647464eb42f37571e2f6cded9cea5c966416bdd6c96b6413e1ef3e2b2efe SHA512 2443c7948cb71803197dba2d57ff92f4c17981fa47ac383e9636d2ed239a7d71f43a4d8f61c7c90c651b8d13a0cfc5633a815d72bd731e92d83f3bbaa1b95118
diff --git a/dev-python/google-auth/google-auth-2.18.0.ebuild b/dev-python/google-auth/google-auth-2.18.0.ebuild
new file mode 100644
index 0000000000000..c7a6aff8ed059
--- /dev/null
+++ b/dev-python/google-auth/google-auth-2.18.0.ebuild
@@ -0,0 +1,58 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=setuptools
+PYPI_NO_NORMALIZE=1
+PYTHON_COMPAT=( python3_{10..11} )
+
+inherit distutils-r1 pypi
+
+DESCRIPTION="Google Authentication Library"
+HOMEPAGE="
+	https://github.com/googleapis/google-auth-library-python/
+	https://pypi.org/project/google-auth/
+"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~x86"
+
+RDEPEND="
+	<dev-python/cachetools-6.0.0[${PYTHON_USEDEP}]
+	>=dev-python/pyasn1-0.1.7[${PYTHON_USEDEP}]
+	>=dev-python/pyasn1-modules-0.2.1[${PYTHON_USEDEP}]
+	>=dev-python/rsa-3.1.4[${PYTHON_USEDEP}]
+	dev-python/six[${PYTHON_USEDEP}]
+	!dev-python/namespace-google
+"
+BDEPEND="
+	test? (
+		dev-python/cryptography[${PYTHON_USEDEP}]
+		dev-python/flask[${PYTHON_USEDEP}]
+		dev-python/freezegun[${PYTHON_USEDEP}]
+		dev-python/grpcio[${PYTHON_USEDEP}]
+		dev-python/mock[${PYTHON_USEDEP}]
+		dev-python/moto[${PYTHON_USEDEP}]
+		dev-python/pyopenssl[${PYTHON_USEDEP}]
+		dev-python/pytest-localserver[${PYTHON_USEDEP}]
+		dev-python/pyu2f[${PYTHON_USEDEP}]
+		dev-python/requests[${PYTHON_USEDEP}]
+		dev-python/responses[${PYTHON_USEDEP}]
+		<dev-python/urllib3-2[${PYTHON_USEDEP}]
+	)
+"
+
+distutils_enable_tests pytest
+
+EPYTEST_IGNORE=(
+	# these are compatibility tests with oauth2client
+	# disable them to unblock removal of that package
+	tests/test__oauth2client.py
+)
+
+python_compile() {
+	distutils-r1_python_compile
+	find "${BUILD_DIR}" -name '*.pth' -delete || die
+}