diff --git a/dev-python/pylibmc/pylibmc-1.6.1-r1.ebuild b/dev-python/pylibmc/pylibmc-1.6.1-r1.ebuild
index 7c190b1ce7dbe..6c03e4c34f827 100644
--- a/dev-python/pylibmc/pylibmc-1.6.1-r1.ebuild
+++ b/dev-python/pylibmc/pylibmc-1.6.1-r1.ebuild
@@ -14,7 +14,7 @@ SRC_URI="https://github.com/lericson/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz"
 
 LICENSE="BSD"
 SLOT="0"
-KEYWORDS="~alpha amd64 ~ppc64 x86"
+KEYWORDS="~alpha amd64 ~arm64 ~ppc64 x86"
 IUSE="doc test"
 
 # implementations to use for building docs, separate from PYTHON_COMPAT since