diff --git a/dev-perl/Module-Build-Tiny/Module-Build-Tiny-0.51.0.ebuild b/dev-perl/Module-Build-Tiny/Module-Build-Tiny-0.51.0.ebuild
index 7ded8ab88429d..df80c05b09f81 100644
--- a/dev-perl/Module-Build-Tiny/Module-Build-Tiny-0.51.0.ebuild
+++ b/dev-perl/Module-Build-Tiny/Module-Build-Tiny-0.51.0.ebuild
@@ -10,7 +10,7 @@ inherit perl-module
 DESCRIPTION="Tiny replacement for Module::Build"
 
 SLOT="0"
-KEYWORDS="~amd64 ~arm ~arm64 ~loong ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
+KEYWORDS="~amd64 ~arm ~arm64 ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
 IUSE="minimal"
 
 RDEPEND="