diff --git a/dev-ruby/pdf-reader/pdf-reader-1.4.1-r1.ebuild b/dev-ruby/pdf-reader/pdf-reader-1.4.1-r1.ebuild
index aa99c1132c873..ae96854e8c83b 100644
--- a/dev-ruby/pdf-reader/pdf-reader-1.4.1-r1.ebuild
+++ b/dev-ruby/pdf-reader/pdf-reader-1.4.1-r1.ebuild
@@ -23,7 +23,7 @@ SRC_URI="https://github.com/${GITHUB_USER}/${PN}/archive/v${PV}.tar.gz -> ${P}.t
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ppc ~ppc64 ~x86"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ppc ~ppc64 ~x86"
 IUSE=""
 
 ruby_add_rdepend ">=dev-ruby/afm-0.2.1