diff --git a/dev-python/psutil/psutil-5.4.3.ebuild b/dev-python/psutil/psutil-5.4.3.ebuild
index 97e59a03bd99e..ddd20191796b1 100644
--- a/dev-python/psutil/psutil-5.4.3.ebuild
+++ b/dev-python/psutil/psutil-5.4.3.ebuild
@@ -13,7 +13,7 @@ SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
 
 LICENSE="BSD"
 SLOT="0"
-KEYWORDS="alpha amd64 arm arm64 ia64 ~ppc ppc64 sparc x86 ~amd64-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+KEYWORDS="alpha amd64 arm arm64 ia64 ~ppc ppc64 s390 sparc x86 ~amd64-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
 IUSE="test"
 
 DEPEND="
diff --git a/dev-python/psutil/psutil-5.4.7.ebuild b/dev-python/psutil/psutil-5.4.7.ebuild
index 71eb3eb3dc9d8..039f78170ff9b 100644
--- a/dev-python/psutil/psutil-5.4.7.ebuild
+++ b/dev-python/psutil/psutil-5.4.7.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2018 Gentoo Foundation
+# Copyright 1999-2018 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="BSD"
 SLOT="0"
-KEYWORDS="~amd64 ~arm ~arm64 ~ia64 ~ppc ~ppc64 ~x86 ~amd64-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+KEYWORDS="~amd64 ~arm ~arm64 ~ia64 ~ppc ~ppc64 ~s390 ~x86 ~amd64-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
 IUSE="test"
 
 DEPEND="