diff --git a/dev-python/singledispatch/singledispatch-3.4.0.3.ebuild b/dev-python/singledispatch/singledispatch-3.4.0.3.ebuild
index 176fc1e7e0588..ce795777ee4b4 100644
--- a/dev-python/singledispatch/singledispatch-3.4.0.3.ebuild
+++ b/dev-python/singledispatch/singledispatch-3.4.0.3.ebuild
@@ -13,7 +13,7 @@ SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${PF}.tar.gz"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="alpha amd64 arm arm64 hppa ia64 ppc ppc64 sparc x86 ~amd64-fbsd ~amd64-linux ~x86-linux ~x64-macos ~x86-macos"
+KEYWORDS="alpha amd64 arm arm64 hppa ia64 ppc ppc64 s390 sparc x86 ~amd64-fbsd ~amd64-linux ~x86-linux ~x64-macos ~x86-macos"
 IUSE=""
 
 DEPEND="dev-python/setuptools[${PYTHON_USEDEP}]"