diff --git a/dev-python/ini2toml/ini2toml-0.11-r1.ebuild b/dev-python/ini2toml/ini2toml-0.11-r1.ebuild
index c48b2f9ad320b..79a1eb342c789 100644
--- a/dev-python/ini2toml/ini2toml-0.11-r1.ebuild
+++ b/dev-python/ini2toml/ini2toml-0.11-r1.ebuild
@@ -20,7 +20,7 @@ SRC_URI="
 
 LICENSE="MPL-2.0"
 SLOT="0"
-KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~ppc ~ppc64 ~riscv ~sparc ~x86"
+KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
 
 RDEPEND="
 	>=dev-python/packaging-20.7[${PYTHON_USEDEP}]