diff --git a/dev-python/pytest-fixture-classes/pytest-fixture-classes-1.0.3.ebuild b/dev-python/pytest-fixture-classes/pytest-fixture-classes-1.0.3.ebuild
index f38f2bf9c3b74..bf755021b481f 100644
--- a/dev-python/pytest-fixture-classes/pytest-fixture-classes-1.0.3.ebuild
+++ b/dev-python/pytest-fixture-classes/pytest-fixture-classes-1.0.3.ebuild
@@ -21,7 +21,7 @@ SRC_URI="
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~mips ~ppc64 ~riscv ~x86"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~mips ~ppc64 ~riscv ~s390 ~x86"
 
 RDEPEND="
 	dev-python/pytest[${PYTHON_USEDEP}]