diff --git a/dev-perl/Moo/Moo-2.5.4.ebuild b/dev-perl/Moo/Moo-2.5.4.ebuild
index 6a4284a72e77b..86c71fd04a05c 100644
--- a/dev-perl/Moo/Moo-2.5.4.ebuild
+++ b/dev-perl/Moo/Moo-2.5.4.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2021 Gentoo Authors
+# Copyright 1999-2022 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -10,7 +10,7 @@ inherit perl-module
 DESCRIPTION="Minimalist Object Orientation (with Moose compatiblity)"
 
 SLOT="0"
-KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-solaris"
+KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-solaris"
 
 RDEPEND="
 	virtual/perl-Carp