diff --git a/kde-apps/kalgebra/Manifest b/kde-apps/kalgebra/Manifest
index 0d1a89aa86573..1bd989670c135 100644
--- a/kde-apps/kalgebra/Manifest
+++ b/kde-apps/kalgebra/Manifest
@@ -1,2 +1,3 @@
 DIST kalgebra-24.08.3.tar.xz 948660 BLAKE2B e6bdffa8fddf283dc9118eb5af4534b0c7dc859ffa0e7e86cbe30c36aaa6de278df43d428d09fb9f28fa731e6051d8b95f91f1773f73645552f329543d0f0239 SHA512 b37146437621ab89d588aa76c350e645ca0a21da7272e5aec31b919655e92db6ce731078d919f50fb03c67621d71131744c1e0237109573d7c0629ff7deeacc4
 DIST kalgebra-24.12.1.tar.xz 948828 BLAKE2B 2c905153640e163dcb5eb8cc479704b4932878a343692deadbaec14e022b7fa2ec7f7ae4039407d0fcaac476ef642ac7274c74c307881fff8edcf4848b52b7f9 SHA512 9a9cec5feec235df7633126afa1f999af39d1de7a08347e449182aa0f67186fc855a6bba3ca4e5fdff5a876da2e3d2d457f82b2cc096172aef85ec13728888e8
+DIST kalgebra-24.12.2.tar.xz 948916 BLAKE2B 2628d5c84c5480a83c8845a19bd6affd00f30f9b15ab748d5d6fdd4f0099c2d226647eb2768b503193d427a76d546887091ea6b5958c2917f91da57fd8dce57c SHA512 ca68319a96d79a6fa2d00a986a8a46584ac026ce04501a793d4e9a7833e0781ecc797b1cc61618af1d83bc24c1570547f48dfbd012438d41b702192d2d4c9e33
diff --git a/kde-apps/kalgebra/kalgebra-24.12.2.ebuild b/kde-apps/kalgebra/kalgebra-24.12.2.ebuild
new file mode 100644
index 0000000000000..9d884b2ad2a87
--- /dev/null
+++ b/kde-apps/kalgebra/kalgebra-24.12.2.ebuild
@@ -0,0 +1,49 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+ECM_HANDBOOK="optional"
+PVCUT=$(ver_cut 1-3)
+KFMIN=6.7.0
+QTMIN=6.7.2
+inherit ecm flag-o-matic gear.kde.org
+
+DESCRIPTION="MathML-based 2D and 3D graph calculator by KDE"
+HOMEPAGE="https://apps.kde.org/kalgebra/"
+
+LICENSE="GPL-2+"
+SLOT="6"
+KEYWORDS="~amd64 ~arm64"
+IUSE="readline"
+
+DEPEND="
+	>=dev-qt/qtbase-${QTMIN}:6[gui,opengl,widgets]
+	>=dev-qt/qt5compat-${QTMIN}:6
+	>=dev-qt/qtdeclarative-${QTMIN}:6
+	>=dev-qt/qtsvg-${QTMIN}:6
+	>=dev-qt/qtwebengine-${QTMIN}:6[widgets]
+	>=kde-apps/analitza-${PVCUT}:6
+	>=kde-frameworks/kconfig-${KFMIN}:6
+	>=kde-frameworks/kconfigwidgets-${KFMIN}:6
+	>=kde-frameworks/kcoreaddons-${KFMIN}:6
+	>=kde-frameworks/ki18n-${KFMIN}:6
+	>=kde-frameworks/kio-${KFMIN}:6
+	>=kde-frameworks/kwidgetsaddons-${KFMIN}:6
+	>=kde-frameworks/kxmlgui-${KFMIN}:6
+	kde-plasma/libplasma:6
+	readline? ( sys-libs/readline:0= )
+"
+RDEPEND="${DEPEND}
+	>=kde-frameworks/kirigami-${KFMIN}:6
+"
+
+src_configure() {
+	replace-flags "-Os" "-O2" # bug 829323
+
+	local mycmakeargs=(
+		$(cmake_use_find_package readline Readline)
+	)
+
+	ecm_src_configure
+}