diff --git a/dev-ruby/hashdiff/hashdiff-0.3.4.ebuild b/dev-ruby/hashdiff/hashdiff-0.3.4.ebuild
index 7f9c696a059cd..fa4405aa64513 100644
--- a/dev-ruby/hashdiff/hashdiff-0.3.4.ebuild
+++ b/dev-ruby/hashdiff/hashdiff-0.3.4.ebuild
@@ -17,5 +17,5 @@ HOMEPAGE="https://github.com/liufengyun/hashdiff"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="amd64 ~arm ~ppc64 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~x64-solaris ~x86-solaris"
+KEYWORDS="amd64 ~arm ~arm64 ~ppc64 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~x64-solaris ~x86-solaris"
 IUSE=""