diff --git a/dev-python/cfn-lint/Manifest b/dev-python/cfn-lint/Manifest
index cd7c59b31b736..78a261f93a5cf 100644
--- a/dev-python/cfn-lint/Manifest
+++ b/dev-python/cfn-lint/Manifest
@@ -3,3 +3,4 @@ DIST cfn_lint-1.40.4.tar.gz 3401228 BLAKE2B 940ce635b1d52e286cb70d8caa3e6a697400
 DIST cfn_lint-1.41.0.tar.gz 3408534 BLAKE2B 281ac2561055366f11f5167140bbd71305a0dbb11235b8191e439665c64c2bf44fa0c2268c1924f689341dc44385a6c630ead0a0ae845e8e5478f1e66a8e818a SHA512 e3be612d3db6662650625e4393261241080f7cc5ba60405fbea39ceb6b15fec973ea5bcd7b2b188bf3276b4e61c5bd11df8fe9cc2f2ab903e395f5f13586da62
 DIST cfn_lint-1.42.0.tar.gz 3589426 BLAKE2B 6d172ebffd868af5db0b5313de792c4f093eb96c13777c4495f9e9cd4c364313da897ed77f8bb9b005543b9f4020c8fc88f751b4c86e7dbb329b2deee7a5ab12 SHA512 93ec7b5ea8833f8f77eabc537363e13f6457720e6fe658ab4a4fbf4c5a851bf50b54d55bf9e0986a91634b7786e76bb8332a9a2888c13d06f35a4079db277fe7
 DIST cfn_lint-1.42.1.tar.gz 3728837 BLAKE2B 6ef135be851ca8ec17854074d8d3ad610b21249774bdc66adf686898f1b2a168c65d706551a22341d891b8bc4afd3788075abd232ce131fb4b5e2ecdc84c6a73 SHA512 9ddf24e494a2eb668c407116a54c34efb946516ef563d6272c08d58e56f24c9c70ff9d37dc25d70ad61d42fa759a1bd896d32035e6c7761d91bc8a0aea23e6c8
+DIST cfn_lint-1.43.0.tar.gz 3389754 BLAKE2B 32d692feca2db25cd943d6edc9da7a18e7e33886007f7d9bc4a7d9c1461210c96c93acaf90b232df9a942d0d973fe81fcf6a2c0f6f70efbb5f15184d39eb57b8 SHA512 280d3ea1ea67387a73860a4fc665620a21fa1a67bda6acd31f7e9c9c88d041944cb52ccb7db6b6f56cfa189bad8e19a33d83ca648ea4d715dcb129d354531c0d
diff --git a/dev-python/cfn-lint/cfn-lint-1.43.0.ebuild b/dev-python/cfn-lint/cfn-lint-1.43.0.ebuild
new file mode 100644
index 0000000000000..ffc56bfdf15f7
--- /dev/null
+++ b/dev-python/cfn-lint/cfn-lint-1.43.0.ebuild
@@ -0,0 +1,61 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_COMPAT=( python3_{11..13} )
+
+inherit distutils-r1 pypi
+
+DESCRIPTION="CloudFormation Linter"
+HOMEPAGE="
+	https://github.com/aws-cloudformation/cfn-lint/
+	https://pypi.org/project/cfn-lint/
+"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64 ~riscv ~x86"
+
+RDEPEND="
+	>=dev-python/aws-sam-translator-1.97.0[${PYTHON_USEDEP}]
+	dev-python/jsonpatch[${PYTHON_USEDEP}]
+	>=dev-python/jschema-to-python-1.2.3[${PYTHON_USEDEP}]
+	<dev-python/jsonschema-5[${PYTHON_USEDEP}]
+	>=dev-python/jsonschema-3.0[${PYTHON_USEDEP}]
+	dev-python/junit-xml[${PYTHON_USEDEP}]
+	<dev-python/networkx-4[${PYTHON_USEDEP}]
+	>=dev-python/pyyaml-5.4[${PYTHON_USEDEP}]
+	>=dev-python/regex-2021.7.1[${PYTHON_USEDEP}]
+	>=dev-python/sarif-om-1.0.4[${PYTHON_USEDEP}]
+	>=dev-python/sympy-1.0.0[${PYTHON_USEDEP}]
+"
+BDEPEND="
+	>=dev-python/setuptools-77.0.3[${PYTHON_USEDEP}]
+	test? (
+		dev-python/defusedxml[${PYTHON_USEDEP}]
+	)
+"
+
+EPYTEST_PLUGINS=()
+distutils_enable_tests pytest
+
+python_test() {
+	local EPYTEST_DESELECT=(
+		# different line wrapping somehow
+		test/unit/module/template/test_template.py::TestTemplate::test_build_graph
+		# requires git repo
+		test/unit/module/maintenance/test_update_documentation.py::TestUpdateDocumentation::test_update_docs
+		# TODO: suddenly started failing in older versions too
+		# https://github.com/aws-cloudformation/cfn-lint/issues/4207
+		test/integration/test_good_templates.py
+		test/unit/module/override/test_exclude.py::TestExclude::test_success_run
+		test/unit/module/test_api.py::TestLintFile::test_good_template
+		test/unit/module/test_rules_collections.py::TestRulesCollection::test_success_run
+	)
+
+	# from tox.ini
+	local -x AWS_DEFAULT_REGION=us-east-1
+	epytest
+}