diff --git a/dev-ruby/deep_merge/deep_merge-1.2.2.ebuild b/dev-ruby/deep_merge/deep_merge-1.2.2.ebuild
index a6a6d658a2703..aa429eba6e33e 100644
--- a/dev-ruby/deep_merge/deep_merge-1.2.2.ebuild
+++ b/dev-ruby/deep_merge/deep_merge-1.2.2.ebuild
@@ -15,7 +15,7 @@ HOMEPAGE="https://github.com/danielsdeleo/deep_merge"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~amd64 ~arm ~hppa ~ppc ~ppc64 ~sparc ~x86"
+KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~ppc ~ppc64 ~sparc ~x86"
 IUSE=""
 
 each_ruby_test() {