diff --git a/dev-ruby/method_source/method_source-0.8.2-r3.ebuild b/dev-ruby/method_source/method_source-0.8.2-r3.ebuild
index 0a56b16d7bd12..375c51d2cac67 100644
--- a/dev-ruby/method_source/method_source-0.8.2-r3.ebuild
+++ b/dev-ruby/method_source/method_source-0.8.2-r3.ebuild
@@ -16,7 +16,7 @@ IUSE=""
 SLOT="0"
 
 LICENSE="MIT"
-KEYWORDS="~amd64 ~arm ~ppc ~ppc64 ~x86"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~x86"
 
 ruby_add_bdepend "test? ( >=dev-ruby/bacon-1.1.0 )"