diff --git a/lxqt-base/liblxqt/Manifest b/lxqt-base/liblxqt/Manifest
index 013670bee247..805001a21f35 100644
--- a/lxqt-base/liblxqt/Manifest
+++ b/lxqt-base/liblxqt/Manifest
@@ -1 +1,2 @@
 DIST liblxqt-2.3.0.tar.xz 88024 BLAKE2B 55a886909f4d6f83675a3edcb87dd7ba31ffe95660b2b913e8c88a0c794e3375a555a34596ee05a6ddb1e498d16ed3c76ce82cb571f5d8f8993aa7fd5d41cdf0 SHA512 64865bf4bd44af8dd37221b11a81d8f9206dd29789d9b86dde17d4589c91adc55e704d4a4eaefeda40a58b38d57c3fc07db7dacb8f17859fafc91effb32963e8
+DIST liblxqt-2.4.0.tar.xz 90676 BLAKE2B c7e162f360a55b893c2b7068677ee75a6413ed4064d3d67bc476dba671f28cbd3f17b31abe7a9b2035882a963418ef8f0fd399adb07482dfb43a6ffaaa5b1a37 SHA512 4abd46f92cb8dc725200e3e7879332db077dbe5b64518c847bea8841aa929f7ebdbb7483d96e204315b6784c348c094b2e153ec444ea83e98ca32f2639027556
diff --git a/lxqt-base/liblxqt/liblxqt-2.4.0.ebuild b/lxqt-base/liblxqt/liblxqt-2.4.0.ebuild
new file mode 100644
index 000000000000..92a389c94c92
--- /dev/null
+++ b/lxqt-base/liblxqt/liblxqt-2.4.0.ebuild
@@ -0,0 +1,46 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake
+
+DESCRIPTION="Common base library for the LXQt desktop environment"
+HOMEPAGE="
+	https://lxqt-project.org/
+	https://github.com/lxqt/liblxqt/
+"
+
+if [[ ${PV} == 9999 ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/lxqt/${PN}.git"
+else
+	SRC_URI="https://github.com/lxqt/${PN}/releases/download/${PV}/${P}.tar.xz"
+	KEYWORDS="~amd64 ~arm64 ~ppc64 ~riscv ~x86"
+fi
+
+LICENSE="LGPL-2.1+ BSD"
+SLOT="0/$(ver_cut 1-2)"
+IUSE="+backlight"
+
+BDEPEND="
+	>=dev-qt/qttools-6.6:6[linguist]
+	>=dev-util/lxqt-build-tools-2.4.0
+"
+DEPEND="
+	>=dev-libs/libqtxdg-4.4.0
+	>=dev-qt/qtbase-6.6:6[dbus,gui,widgets,xml]
+	kde-frameworks/kwindowsystem:6[X]
+	x11-libs/libX11
+	x11-libs/libXScrnSaver
+	backlight? ( >=sys-auth/polkit-qt-0.200.0-r1 )
+"
+RDEPEND="${DEPEND}"
+
+src_configure() {
+	local mycmakeargs=(
+		-DBUILD_BACKLIGHT_LINUX_BACKEND=$(usex backlight)
+	)
+
+	cmake_src_configure
+}