diff --git a/dev-python/markdown/markdown-2.6.3.ebuild b/dev-python/markdown/markdown-2.6.3.ebuild
index c1bcd346fb8d5..27f86b1f94355 100644
--- a/dev-python/markdown/markdown-2.6.3.ebuild
+++ b/dev-python/markdown/markdown-2.6.3.ebuild
@@ -21,7 +21,7 @@ SRC_URI="mirror://pypi/${MY_PN:0:1}/${MY_PN}/${MY_P}.tar.gz"
 
 LICENSE="|| ( BSD GPL-2 )"
 SLOT="0"
-KEYWORDS="~alpha ~amd64 ~arm ~ia64 ~ppc ~ppc64 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~ia64 ~ppc ~ppc64 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos"
 IUSE="doc test pygments"
 
 DEPEND="