diff --git a/dev-cpp/catch/Manifest b/dev-cpp/catch/Manifest
index f416d9b56aa19..7c30cefc9d497 100644
--- a/dev-cpp/catch/Manifest
+++ b/dev-cpp/catch/Manifest
@@ -1,3 +1,4 @@
 DIST Catch-1.12.2.tar.gz 377265 BLAKE2B bc27b4daee950f8fb93d65f3aed032e72bc856ee27a8dc28c35b89e33f414d68ba4cf00951e476688eddf9e4c0514036bd6916fa6cfa9e3359e6c625984f114f SHA512 ed963cdca9fe307ee02928677f81cafcb41cd607faaa315182fdf898d0f2aa28f0be2141bd642f46fdfac400c38f6d065e00a595a1e5879fe2335c4a3851e844
 DIST Catch2-2.13.10.tar.gz 662225 BLAKE2B d8a2fb0e6f6a6f1ea25a860975ab596404ed41f4aed979a3c86da0140ce580fc3cbe12d44c1c936bac9ce8ec1813b2cb5d7d161be46c6924026f9645ca13aeaa SHA512 33c2292d5d315128a73f8cff27e92f86f3af30c45ce199297110b3cd2bf7d67a972fbcf7415aed1c467c384e0e3c63900c90faedff1d74c9d94b9e3e43df5ee2
 DIST Catch2-3.12.0.tar.gz 1416567 BLAKE2B bb210f8dd242fc7cedbbec3f7dcb79e6ec75d2f01a877dfafb148ab44eda10878a929961e87cc26662feda713d3dc5b77ef8ced81dd619f5217e19ac8dd91b7f SHA512 acb3f463a7404d6a3bce52e474075cdadf9bb241d93feaf147c182d756e5a2f8bd412f4658ca186d15ab8fed36fc587d79ec311f55642d8e4ded16df9e213656
+DIST Catch2-3.13.0.tar.gz 1184015 BLAKE2B 291f7ac76964c9a85a00f76a58595c38f090adecd5217ee58604412158bafc8306d8eb7738c1de4fa48648f8e6a4546f5cd0eba636574cac0ac836b0eee7b986 SHA512 7eea385d79d88a5690cde131fe7ccda97d5c54ea09d6f515000d7bf07c828809d61c1ac99912c1ee507cf933f61c1c47ecdcc45df7850ffa82714034b0fccf35
diff --git a/dev-cpp/catch/catch-3.13.0.ebuild b/dev-cpp/catch/catch-3.13.0.ebuild
new file mode 100644
index 0000000000000..bc84098c0f7c4
--- /dev/null
+++ b/dev-cpp/catch/catch-3.13.0.ebuild
@@ -0,0 +1,46 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..14} )
+
+inherit cmake-multilib python-any-r1
+
+if [[ ${PV} == *9999 ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/catchorg/Catch2.git"
+else
+	MY_P=${PN^}2-${PV}
+	SRC_URI="https://github.com/catchorg/Catch2/archive/v${PV}.tar.gz -> ${MY_P}.tar.gz"
+	S="${WORKDIR}/${MY_P}"
+
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+fi
+
+DESCRIPTION="Modern C++ header-only framework for unit-tests"
+HOMEPAGE="https://github.com/catchorg/Catch2"
+
+LICENSE="Boost-1.0"
+SLOT="0"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+BDEPEND="test? ( ${PYTHON_DEPS} )"
+
+pkg_setup() {
+	use test && python-any-r1_pkg_setup
+}
+
+multilib_src_configure() {
+	local mycmakeargs=(
+		-DCATCH_DEVELOPMENT_BUILD=ON
+		-DCATCH_ENABLE_WERROR=OFF
+		-DCATCH_BUILD_TESTING=$(usex test)
+	)
+	use test && mycmakeargs+=(
+		-DPython3_EXECUTABLE="${PYTHON}"
+	)
+
+	cmake_src_configure
+}