diff --git a/dev-python/platformdirs/platformdirs-2.3.0.ebuild b/dev-python/platformdirs/platformdirs-2.3.0.ebuild
index ca2a1a3380884..451724810b70e 100644
--- a/dev-python/platformdirs/platformdirs-2.3.0.ebuild
+++ b/dev-python/platformdirs/platformdirs-2.3.0.ebuild
@@ -16,7 +16,7 @@ SRC_URI="
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
 
 BDEPEND="
 	dev-python/setuptools_scm[${PYTHON_USEDEP}]