diff --git a/dev-ruby/hashdiff/hashdiff-0.3.0.ebuild b/dev-ruby/hashdiff/hashdiff-0.3.0.ebuild
index 6cd505dd816fb..6ba461828acc1 100644
--- a/dev-ruby/hashdiff/hashdiff-0.3.0.ebuild
+++ b/dev-ruby/hashdiff/hashdiff-0.3.0.ebuild
@@ -18,5 +18,5 @@ HOMEPAGE="https://github.com/liufengyun/hashdiff"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~amd64 ~ppc64 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~x64-solaris ~x86-solaris"
+KEYWORDS="~amd64 ~arm ~ppc64 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~x64-solaris ~x86-solaris"
 IUSE=""