diff --git a/sec-keys/openpgp-keys-dsterba/openpgp-keys-dsterba-20231215.ebuild b/sec-keys/openpgp-keys-dsterba/openpgp-keys-dsterba-20231215.ebuild
index c230d194fb4c..ccf2f9a24b0c 100644
--- a/sec-keys/openpgp-keys-dsterba/openpgp-keys-dsterba-20231215.ebuild
+++ b/sec-keys/openpgp-keys-dsterba/openpgp-keys-dsterba-20231215.ebuild
@@ -1,4 +1,4 @@
-# Copyright 2023-2025 Gentoo Authors
+# Copyright 2023-2026 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -12,7 +12,7 @@ S="${WORKDIR}"
 
 LICENSE="public-domain"
 SLOT="0"
-KEYWORDS="~alpha amd64 arm arm64 ~loong ~mips ppc ppc64 ~riscv ~sparc x86"
+KEYWORDS="~alpha amd64 arm arm64 ~loong ~mips ppc ppc64 ~riscv ~s390 ~sparc x86"
 
 src_install() {
 	insinto /usr/share/openpgp-keys