diff --git a/dev-python/incremental/incremental-16.10.1.ebuild b/dev-python/incremental/incremental-16.10.1.ebuild
index 337baab77e5d5..f670ce1a2dac7 100644
--- a/dev-python/incremental/incremental-16.10.1.ebuild
+++ b/dev-python/incremental/incremental-16.10.1.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=6
@@ -12,7 +12,7 @@ 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"
+KEYWORDS="alpha amd64 arm arm64 hppa ia64 ~mips ppc ppc64 s390 sparc x86"
 IUSE=""
 
 RDEPEND=""
diff --git a/dev-python/incremental/incremental-17.5.0.ebuild b/dev-python/incremental/incremental-17.5.0.ebuild
index 804fc75c5dd9f..4a31d57a1c644 100644
--- a/dev-python/incremental/incremental-17.5.0.ebuild
+++ b/dev-python/incremental/incremental-17.5.0.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=6
@@ -12,7 +12,7 @@ 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-fbsd"
+KEYWORDS="~alpha ~amd64 arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~amd64-fbsd"
 IUSE=""
 
 RDEPEND=""