diff --git a/dev-ruby/rdiscount/rdiscount-2.2.0.1.ebuild b/dev-ruby/rdiscount/rdiscount-2.2.0.1.ebuild
index f918752c24fa9..0c65124589c72 100644
--- a/dev-ruby/rdiscount/rdiscount-2.2.0.1.ebuild
+++ b/dev-ruby/rdiscount/rdiscount-2.2.0.1.ebuild
@@ -17,7 +17,7 @@ HOMEPAGE="https://github.com/rtomayko/rdiscount"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~ppc ~ppc64 ~sparc ~x86 ~x86-fbsd ~x64-macos ~x64-solaris"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~ppc ~ppc64 ~sparc ~x86 ~x86-fbsd ~x64-macos ~x64-solaris"
 IUSE=""
 
 all_ruby_prepare() {