diff --git a/app-doc/single-unix-specification/single-unix-specification-4_p2.ebuild b/app-doc/single-unix-specification/single-unix-specification-4_p2.ebuild
index a9304c2cb99b9..1aebea7be9ed7 100644
--- a/app-doc/single-unix-specification/single-unix-specification-4_p2.ebuild
+++ b/app-doc/single-unix-specification/single-unix-specification-4_p2.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=6
@@ -9,7 +9,7 @@ SRC_URI="http://pubs.opengroup.org/onlinepubs/9699919799/download/susv4tc2.tar.b
 
 LICENSE="sus4-copyright"
 SLOT="4"
-KEYWORDS="~alpha amd64 arm hppa ~ia64 ~mips ppc ppc64 ~s390 sparc x86 ~x64-macos"
+KEYWORDS="~alpha amd64 arm hppa ~ia64 ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~x64-macos"
 IUSE=""
 RESTRICT="mirror"