diff --git a/dev-cpp/atkmm/Manifest b/dev-cpp/atkmm/Manifest
index 8e7290162a633..f5739b53e6577 100644
--- a/dev-cpp/atkmm/Manifest
+++ b/dev-cpp/atkmm/Manifest
@@ -1,2 +1,3 @@
 DIST atkmm-2.28.3.tar.xz 691164 BLAKE2B 07468f4bdf2b790873517907c4564ccd513bb28500c14b1db50bcfed0c51ca8401a95989c0c61460c905125e6d0c71560f59190c5fa38abdc2d133991d519f45 SHA512 ebc25e9de4b9de6df7097ab485fb0675d8c83113d99a444eec91df0908073362bfdaa9b03fc4c3e91766109d9b94b88df041851176ecde578cf932b526ef678e
 DIST atkmm-2.28.4.tar.xz 739536 BLAKE2B a4e103abf15a736964ded6546eae6e0296bfc9af845b3aa99e86d02f8a1675ea2a314b75205b8505bd55f3884f6b4669cd77ba0efd188e327427a0d87cc9eef9 SHA512 30a714971234aebf06a04abeff5fc3b6951b56130aaddbd1a92856b3fb87cf9ba3c34539465b7f0905f871d763239642efe7904b24f33f11e57bf013e4bca533
+DIST atkmm-2.36.3.tar.xz 797504 BLAKE2B c19d77a3a6ab4fa8796849ad6d96470929c8f8fb0ac2d33376799e16f4d0c0a61cc3de0f41cebc7e53fdaa1866d1b6185cadd87cf0782b58cdedaee30b8cef0b SHA512 2c2513b5c5fd7a5c9392727325c7551c766d4d51b8089fbea7e8043cde97d07c9b1f98a4a693f30835e4366e9236e28e092c2480a78415d77c5cb72e9432344f
diff --git a/dev-cpp/atkmm/atkmm-2.36.3.ebuild b/dev-cpp/atkmm/atkmm-2.36.3.ebuild
new file mode 100644
index 0000000000000..13643833916e7
--- /dev/null
+++ b/dev-cpp/atkmm/atkmm-2.36.3.ebuild
@@ -0,0 +1,38 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..14} )
+inherit gnome.org meson-multilib python-any-r1
+
+DESCRIPTION="C++ interface for the ATK library"
+HOMEPAGE="https://gtkmm.gnome.org https://gitlab.gnome.org/GNOME/atkmm"
+
+LICENSE="LGPL-2.1+"
+SLOT="2.36"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~x86-linux"
+IUSE="gtk-doc"
+
+DEPEND="
+	dev-cpp/glibmm:2.68[gtk-doc?,${MULTILIB_USEDEP}]
+	>=dev-libs/atk-2.33.3[${MULTILIB_USEDEP}]
+	dev-libs/libsigc++:3[gtk-doc?,${MULTILIB_USEDEP}]
+"
+RDEPEND="${DEPEND}"
+BDEPEND="
+	virtual/pkgconfig
+	gtk-doc? (
+		>=dev-cpp/mm-common-1.0.4
+		app-text/doxygen[dot]
+		dev-libs/libxslt
+	)
+	${PYTHON_DEPS}
+"
+
+multilib_src_configure() {
+	local emesonargs=(
+		$(meson_native_use_bool gtk-doc build-documentation)
+	)
+	meson_src_configure
+}