diff --git a/dev-ruby/rack-protection/rack-protection-1.5.3-r1.ebuild b/dev-ruby/rack-protection/rack-protection-1.5.3-r1.ebuild
index 5fad2f280157f..0dc8fa0058b60 100644
--- a/dev-ruby/rack-protection/rack-protection-1.5.3-r1.ebuild
+++ b/dev-ruby/rack-protection/rack-protection-1.5.3-r1.ebuild
@@ -17,7 +17,7 @@ HOMEPAGE="https://github.com/rkh/rack-protection"
 
 LICENSE="MIT"
 SLOT="$(get_version_component_range 1)"
-KEYWORDS="amd64 ~arm ~ppc ~ppc64 ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+KEYWORDS="amd64 ~arm ~arm64 ~ppc ~ppc64 ~x86 ~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/rack-test )"