diff --git a/gui-apps/showmethekey/Manifest b/gui-apps/showmethekey/Manifest
index cb2854ffa6..0227e64200 100644
--- a/gui-apps/showmethekey/Manifest
+++ b/gui-apps/showmethekey/Manifest
@@ -1,2 +1,3 @@
 DIST showmethekey-1.12.0.tar.gz 5269307 BLAKE2B b5c3f84456c84b3906a619fdc88a4c4605592562d40f05e9d0ab75aa116604812c60f89b9a681eeea79f53f4420f20b526478dd667da2ea90006911b07917fe3 SHA512 bba78950da4d7e834172cdb8e6daf58f4946e21cda349e7c94fefd86dca0416459bbaa130c10925d90c1239abb41f8b3d0641fb9b8e2d19824eec512d1ec3e84
 DIST showmethekey-1.13.1.tar.gz 5271189 BLAKE2B bbc075c305b93da3a526639d4b184b48dadddac2be1f73b066d0bc8a50a81c514c13d1d372fba699c7cf79e24cb76e32c9b1b778e5d486110494651c8a3e0601 SHA512 4d15c257078c2b941197a968b9b81784f0603a70b0feba7b77e12b5c6eb75655a6c14fa857a6d4cd33ef657d3630d94be4a5d672331d2edbbda7923c76b87bf1
+DIST showmethekey-1.21.0.tar.gz 5276968 BLAKE2B ed7354ff040a1a9d008b7f4f178dd7248bca30cc471ba5ef5871343db85ff7300289818d4877c94a099f0c220b325520d2bb4a85ae7017f4e59a9f391a7250ce SHA512 38cfd728f14ab60d3b0282c664f78a1dd5db531732f1664bb2fc1ec20173beeb0274207d122f8ccbce96fbcf8e64a97998e987f2b096ad67c474c8ea98141ed4
diff --git a/gui-apps/showmethekey/showmethekey-1.21.0.ebuild b/gui-apps/showmethekey/showmethekey-1.21.0.ebuild
new file mode 100644
index 0000000000..b543d00ba1
--- /dev/null
+++ b/gui-apps/showmethekey/showmethekey-1.21.0.ebuild
@@ -0,0 +1,38 @@
+# Copyright 2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit gnome2 meson
+
+DESCRIPTION="Show keys you typed on screen."
+HOMEPAGE="https://showmethekey.alynx.one/"
+SRC_URI="https://github.com/AlynxZhou/${PN}/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64"
+
+DEPEND="
+	dev-libs/glib
+	dev-libs/json-glib
+	dev-libs/libevdev
+	dev-libs/libinput
+	dev-util/gtk-update-icon-cache
+	gui-libs/gtk:4
+	gui-libs/libadwaita
+	virtual/udev
+	x11-libs/cairo
+	x11-libs/libxkbcommon
+	x11-libs/pango
+"
+
+RDEPEND="
+	${DEPEND}
+	x11-libs/libX11
+"
+
+src_prepare() {
+	default
+	sed -i 's/gtk4-update-icon-/gtk-update-icon-/g' meson.build || die
+}