diff --git a/dev-python/outcome/outcome-1.1.0.ebuild b/dev-python/outcome/outcome-1.1.0.ebuild
index 5a68cbd75ae82..c6a626f6933bb 100644
--- a/dev-python/outcome/outcome-1.1.0.ebuild
+++ b/dev-python/outcome/outcome-1.1.0.ebuild
@@ -16,7 +16,7 @@ SRC_URI="https://github.com/python-trio/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.
 
 LICENSE="|| ( Apache-2.0 MIT )"
 SLOT="0"
-KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~sparc ~x86"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~sparc ~x86"
 
 RDEPEND="dev-python/attrs[${PYTHON_USEDEP}]"