diff --git a/dev-python/pytest-xdist/pytest-xdist-1.15.0.ebuild b/dev-python/pytest-xdist/pytest-xdist-1.15.0.ebuild
index 48686f1117817..3ece3b234d6f1 100644
--- a/dev-python/pytest-xdist/pytest-xdist-1.15.0.ebuild
+++ b/dev-python/pytest-xdist/pytest-xdist-1.15.0.ebuild
@@ -13,7 +13,7 @@ SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
 
 SLOT="0"
 LICENSE="MIT"
-KEYWORDS="alpha amd64 arm arm64 hppa ia64 ~mips ppc ppc64 sparc x86 ~amd64-fbsd"
+KEYWORDS="alpha amd64 arm arm64 hppa ia64 ~mips ppc ppc64 s390 sparc x86 ~amd64-fbsd"
 IUSE="test"
 
 RDEPEND="
diff --git a/dev-python/pytest-xdist/pytest-xdist-1.20.1.ebuild b/dev-python/pytest-xdist/pytest-xdist-1.20.1.ebuild
index f2e4b6fb85eea..acd463adc2b83 100644
--- a/dev-python/pytest-xdist/pytest-xdist-1.20.1.ebuild
+++ b/dev-python/pytest-xdist/pytest-xdist-1.20.1.ebuild
@@ -13,7 +13,7 @@ SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
 
 SLOT="0"
 LICENSE="MIT"
-KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sparc ~x86 ~amd64-fbsd"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~amd64-fbsd"
 IUSE="test"
 
 RDEPEND="
diff --git a/dev-python/pytest-xdist/pytest-xdist-1.22.2.ebuild b/dev-python/pytest-xdist/pytest-xdist-1.22.2.ebuild
index b2b5fa2fb32ba..74768c3d2d41e 100644
--- a/dev-python/pytest-xdist/pytest-xdist-1.22.2.ebuild
+++ b/dev-python/pytest-xdist/pytest-xdist-1.22.2.ebuild
@@ -13,7 +13,7 @@ SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
 
 SLOT="0"
 LICENSE="MIT"
-KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sparc ~x86 ~amd64-fbsd"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~amd64-fbsd"
 IUSE="test"
 
 RDEPEND="