diff --git a/sci-biology/bioruby/bioruby-1.4.3.0001-r1.ebuild b/sci-biology/bioruby/bioruby-1.4.3.0001-r1.ebuild
index b50f3fa137fb2..d1008a18a3845 100644
--- a/sci-biology/bioruby/bioruby-1.4.3.0001-r1.ebuild
+++ b/sci-biology/bioruby/bioruby-1.4.3.0001-r1.ebuild
@@ -1,10 +1,10 @@
-# Copyright 1999-2014 Gentoo Foundation
+# Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Id$
 
 EAPI=5
 
-USE_RUBY="ruby19 ruby20"
+USE_RUBY="ruby20"
 
 inherit ruby-fakegem
 
diff --git a/sci-biology/bioruby/bioruby-9999.ebuild b/sci-biology/bioruby/bioruby-9999.ebuild
index 838f8430c972c..08b263049d398 100644
--- a/sci-biology/bioruby/bioruby-9999.ebuild
+++ b/sci-biology/bioruby/bioruby-9999.ebuild
@@ -1,10 +1,10 @@
-# Copyright 1999-2014 Gentoo Foundation
+# Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Id$
 
 EAPI=5
 
-USE_RUBY="ruby19 ruby20"
+USE_RUBY="ruby20"
 EGIT_REPO_URI="git://github.com/bioruby/bioruby.git
 	https://github.com/bioruby/bioruby.git"