diff --git a/dev-ruby/addressable/addressable-2.5.1.ebuild b/dev-ruby/addressable/addressable-2.5.1.ebuild
index 33f4671da8588..d757e5a57f8b3 100644
--- a/dev-ruby/addressable/addressable-2.5.1.ebuild
+++ b/dev-ruby/addressable/addressable-2.5.1.ebuild
@@ -19,7 +19,7 @@ HOMEPAGE="https://rubygems.org/gems/addressable https://github.com/sporkmonger/a
 LICENSE="Apache-2.0"
 
 SLOT="0"
-KEYWORDS="~amd64 ~arm ~ppc ~ppc64 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~x64-solaris ~x86-solaris"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~x64-solaris ~x86-solaris"
 IUSE="doc test"
 
 ruby_add_rdepend ">=dev-ruby/public_suffix-2.0.2:2"