diff --git a/dev-python/constantly/constantly-15.1.0-r1.ebuild b/dev-python/constantly/constantly-15.1.0-r1.ebuild
index 7f1753cbfab56..24f5353d2eb2f 100644
--- a/dev-python/constantly/constantly-15.1.0-r1.ebuild
+++ b/dev-python/constantly/constantly-15.1.0-r1.ebuild
@@ -13,7 +13,7 @@ SRC_URI="https://github.com/twisted/constantly/archive/${PV}.tar.gz -> ${P}.gh.t
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~mips ppc ppc64 ~riscv s390 sparc x86 ~amd64-linux ~x86-linux"
+KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~mips ppc ppc64 ~riscv s390 sparc x86 ~amd64-linux ~x86-linux ~x64-macos"
 IUSE="test"
 RESTRICT="!test? ( test )"