diff --git a/kde-frameworks/modemmanager-qt/Manifest b/kde-frameworks/modemmanager-qt/Manifest
index af96fee42a2c7..cf3b8ebbe8de1 100644
--- a/kde-frameworks/modemmanager-qt/Manifest
+++ b/kde-frameworks/modemmanager-qt/Manifest
@@ -1,2 +1,3 @@
 DIST modemmanager-qt-6.18.0.tar.xz 103976 BLAKE2B ab8b1efda2a781e61944effac494f7e64ed21df144626d3c4d97e4bca9cdbedd14644bdc376127136866353708b56a436a2208f36ef22a181137ed810a00f0d6 SHA512 2257ff6934aa6b6b1ae656e19bcba7c0b46ee2e105a9c77cedb54342202b91be16a1cdfb1a7eabd08d8b9eed5c7bfbb42a2f3e6e19443f5f356a5a0b32589dca
 DIST modemmanager-qt-6.20.0.tar.xz 103968 BLAKE2B d4544b803ebaad93cc180b0ec9910dc17c84922739064b0b843cb7d4b1dd81244aaca8ff9971c625d8c662137e016f684c82199ebf61fe6c993c801fc97e136e SHA512 2bdc3d350ad319b2e42dac1c5ae275079554b4c8f1fde42669c4577e6c63f4503e0deefba7c1f6581ff3315d989740c60f367d8bab46454834a4222cba41d3e4
+DIST modemmanager-qt-6.21.0.tar.xz 103956 BLAKE2B a23478ad73c9f6b2190942699d5d31584d04d1790957d37567b0322e0563aa4bc497ec6fc8666d72ca3755b78e71bfd7cc667a70e28b5cf1c1c24c5479b1881a SHA512 21a4c1498b6a497295431727def66512cf4f14e743bb78600653ceefb3be76dc25a7251d24099e87f3bda07a5cae62366a92f3206b12bd09f49004b54b59f86a
diff --git a/kde-frameworks/modemmanager-qt/modemmanager-qt-6.21.0.ebuild b/kde-frameworks/modemmanager-qt/modemmanager-qt-6.21.0.ebuild
new file mode 100644
index 0000000000000..5ff748485378a
--- /dev/null
+++ b/kde-frameworks/modemmanager-qt/modemmanager-qt-6.21.0.ebuild
@@ -0,0 +1,23 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+QTMIN=6.8.1
+inherit ecm frameworks.kde.org
+
+DESCRIPTION="ModemManager bindings for Qt"
+
+LICENSE="LGPL-2"
+KEYWORDS="~amd64 ~arm64 ~loong ~ppc64 ~riscv ~x86"
+IUSE=""
+
+# requires running environment
+RESTRICT="test"
+
+DEPEND="
+	>=dev-qt/qtbase-${QTMIN}:6[dbus,xml]
+	net-misc/modemmanager
+"
+RDEPEND="${DEPEND}"
+BDEPEND="virtual/pkgconfig"