diff --git a/dev-ruby/patron/patron-0.8.0.ebuild b/dev-ruby/patron/patron-0.8.0.ebuild
index f5ae5699bc4ef..f3351b157ed3d 100644
--- a/dev-ruby/patron/patron-0.8.0.ebuild
+++ b/dev-ruby/patron/patron-0.8.0.ebuild
@@ -15,7 +15,7 @@ HOMEPAGE="https://toland.github.com/patron/"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~amd64 ~arm ~ppc64 ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~x64-solaris ~x86-solaris"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~x64-solaris ~x86-solaris"
 IUSE=""
 
 DEPEND+=" net-misc/curl"