diff --git a/dev-libs/kosmindoormap/Manifest b/dev-libs/kosmindoormap/Manifest
index 0c5f3488f349a..5ee1729cfffbf 100644
--- a/dev-libs/kosmindoormap/Manifest
+++ b/dev-libs/kosmindoormap/Manifest
@@ -1 +1,2 @@
 DIST kosmindoormap-25.12.2.tar.xz 777652 BLAKE2B 12dfbbad17a240cea923eaaa4d61a1d73891d7798e077673d1ddc2fc17817314cd953abd03fd0b96e06db66b8c6ac5496e10c138f3a97013b0f89008a66226e9 SHA512 349e1fc9d9c2366c943b9ed16697f1646af98d87b1ba0614f02741b5f181a141f94f5f6692037c98fb778537e49ed4b19ec2510de87c730467e2d0f8bfe51057
+DIST kosmindoormap-25.12.3.tar.xz 777784 BLAKE2B 7ed7569c40eb3882b6e319fa54bf390df237b275f6938ba1a1b4865619d5b168461e1d211a1eae7b1e15123e6a60a2396bcbefdf0d4b7d64b9c1f9a83a64cf3f SHA512 2c365fcad14cd263605f3e1d2df91c35373f75537d47383fe5dc1a39c67572861be10003505240efb111a9f300b462e7e0c8f6287b2fb0018285c888d3b50186
diff --git a/dev-libs/kosmindoormap/kosmindoormap-25.12.3.ebuild b/dev-libs/kosmindoormap/kosmindoormap-25.12.3.ebuild
new file mode 100644
index 0000000000000..55ac9864daa88
--- /dev/null
+++ b/dev-libs/kosmindoormap/kosmindoormap-25.12.3.ebuild
@@ -0,0 +1,49 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+ECM_TEST="true"
+PVCUT=$(ver_cut 1-3)
+KFMIN=6.22.0
+QTMIN=6.10.1
+inherit ecm gear.kde.org
+
+DESCRIPTION="Data Model and Extraction System for Travel Reservation information"
+HOMEPAGE="https://invent.kde.org/libraries/kosmindoormap"
+
+LICENSE="LGPL-2+"
+SLOT="6/$(ver_cut 1-2)"
+KEYWORDS="~amd64 ~arm64"
+IUSE="+gui"
+
+# kservice is optional and only used to find and open josm
+RDEPEND="
+	>=dev-libs/kirigami-addons-1.6.0:6
+	dev-libs/protobuf:=
+	>=dev-qt/qtbase-${QTMIN}:6[gui?,network]
+	virtual/zlib:=
+	gui? (
+		>=dev-libs/kopeninghours-${PVCUT}:6=
+		>=dev-libs/kpublictransport-${PVCUT}:6=
+		>=dev-qt/qtdeclarative-${QTMIN}:6
+		>=kde-frameworks/kcoreaddons-${KFMIN}:6
+		>=kde-frameworks/ki18n-${KFMIN}:6
+		>=kde-frameworks/kservice-${KFMIN}:6
+	)
+"
+DEPEND="${RDEPEND}
+	test? ( >=dev-qt/qtbase-${QTMIN}:6[widgets] )
+"
+BDEPEND="
+	app-alternatives/lex
+	app-alternatives/yacc
+"
+
+src_configure() {
+	local mycmakeargs=(
+		-DBUILD_TOOLS_ONLY=$(usex !gui)
+		-DCMAKE_DISABLE_FIND_PACKAGE_OsmTools=ON # we have no use for it
+	)
+	ecm_src_configure
+}