diff --git a/dev-python/msgpack/msgpack-1.0.3.ebuild b/dev-python/msgpack/msgpack-1.0.3.ebuild
index a00df7beba60f..e5b2793b5bb36 100644
--- a/dev-python/msgpack/msgpack-1.0.3.ebuild
+++ b/dev-python/msgpack/msgpack-1.0.3.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2021 Gentoo Authors
+# Copyright 1999-2022 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -14,7 +14,7 @@ SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
 
 LICENSE="Apache-2.0"
 SLOT="0"
-KEYWORDS="amd64 arm arm64 ppc x86 ~x64-macos"
+KEYWORDS="amd64 arm arm64 ppc ~ppc64 ~riscv x86 ~x64-macos"
 IUSE="+native-extensions"
 
 # extension code is relying on CPython implementation details