diff --git a/dev-ruby/unindent/unindent-1.0.ebuild b/dev-ruby/unindent/unindent-1.0.ebuild
index 20eb7a91b7d4b..35f7df18ba7c4 100644
--- a/dev-ruby/unindent/unindent-1.0.ebuild
+++ b/dev-ruby/unindent/unindent-1.0.ebuild
@@ -13,7 +13,7 @@ DESCRIPTION="Ruby method to unindent strings"
 HOMEPAGE="https://github.com/mynyml/unindent"
 LICENSE="MIT"
 
-KEYWORDS="~amd64 arm ppc ppc64"
+KEYWORDS="~amd64 arm ~arm64 ppc ppc64"
 SLOT="0"
 IUSE=""