diff --git a/dev-ruby/crack/crack-0.4.3-r1.ebuild b/dev-ruby/crack/crack-0.4.3-r1.ebuild
index 628529cb44287..4cb37e7aa0a30 100644
--- a/dev-ruby/crack/crack-0.4.3-r1.ebuild
+++ b/dev-ruby/crack/crack-0.4.3-r1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2016 Gentoo Foundation
+# Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=5
@@ -15,7 +15,7 @@ HOMEPAGE="https://github.com/jnunemaker/crack"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~amd64 ~arm ~ppc64 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
 IUSE=""
 
 ruby_add_bdepend "test? ( dev-ruby/minitest )"