diff --git a/dev-python/pytest/pytest-4.5.0.ebuild b/dev-python/pytest/pytest-4.5.0.ebuild
index 66881f257123c..e5795dd521d42 100644
--- a/dev-python/pytest/pytest-4.5.0.ebuild
+++ b/dev-python/pytest/pytest-4.5.0.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -13,7 +13,7 @@ SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~alpha amd64 arm arm64 ~hppa ia64 ~mips ppc ppc64 sparc x86 ~amd64-linux ~x86-linux"
+KEYWORDS="~alpha amd64 arm arm64 ~hppa ia64 ~mips ppc ppc64 s390 sparc x86 ~amd64-linux ~x86-linux"
 IUSE="test"
 RESTRICT="!test? ( test )"