diff --git a/dev-python/ruamel-yaml/Manifest b/dev-python/ruamel-yaml/Manifest
index d9e8197886f8d..63001edcd2f4b 100644
--- a/dev-python/ruamel-yaml/Manifest
+++ b/dev-python/ruamel-yaml/Manifest
@@ -1 +1,2 @@
 DIST ruamel.yaml-0.18.14.tar.xz 200428 BLAKE2B 805467fc7e572d3b0157ab734a864ea065e0ce74252a867498db0406606359e1c416dfad268cfc105ff00fe5f68ff37f64a4b1d50822bf48372ec583a420b70b SHA512 1245dbaf184cf98257df5d78c32f3775acf4873cb0696b852cf145cdcb7bd0c24c3c4bac5470f18341537a04fa56df4629b554d742341de3774cc78cdd0d1f8a
+DIST ruamel.yaml-0.18.15.tar.xz 201180 BLAKE2B c5c41ff80a988b0f003cb832e42df39d82c07d54f5ff9d1defc3e9d60ae18dfbd394c9f132879e84043abc4282319682edfe99109a76e870ead1fe42c137c74d SHA512 1802ae9428078aa580ed7fb0d787e021db142c49d26e89745bf2130af4738c850d0aafb5ae9e091f934b6d20ec7275c3fcd4506591617dbdc396bac377bdf243
diff --git a/dev-python/ruamel-yaml/ruamel-yaml-0.18.15.ebuild b/dev-python/ruamel-yaml/ruamel-yaml-0.18.15.ebuild
new file mode 100644
index 0000000000000..55cd75fa13cd1
--- /dev/null
+++ b/dev-python/ruamel-yaml/ruamel-yaml-0.18.15.ebuild
@@ -0,0 +1,50 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_COMPAT=( pypy3_11 python3_{11..14} )
+
+inherit distutils-r1
+
+MY_P="${P/-/.}"
+DESCRIPTION="YAML parser/emitter that supports roundtrip comment preservation"
+HOMEPAGE="
+	https://pypi.org/project/ruamel.yaml/
+	https://sourceforge.net/projects/ruamel-yaml/
+"
+# PyPI tarballs do not include tests
+SRC_URI="https://downloads.sourceforge.net/ruamel-dl-tagged-releases/${MY_P}.tar.xz"
+S="${WORKDIR}"/${MY_P}
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+
+RDEPEND="
+	dev-python/ruamel-yaml-clib[${PYTHON_USEDEP}]
+	!dev-python/namespace-ruamel
+"
+
+EPYTEST_PLUGINS=()
+distutils_enable_tests pytest
+
+python_compile() {
+	distutils-r1_python_compile
+	find "${BUILD_DIR}" -name '*.pth' -delete || die
+}
+
+python_test() {
+	local EPYTEST_IGNORE=(
+		# Old PyYAML tests from lib/ require special set-up and are
+		# invoked indirectly via test_z_olddata, tell pytest itself
+		# to leave the subdir alone.
+		_test/lib/
+	)
+
+	# this is needed to keep the tests working while
+	# dev-python/namespace-ruamel is still installed
+	distutils_write_namespace ruamel
+	epytest
+}