diff --git a/dev-ruby/bacon/bacon-1.2.0-r4.ebuild b/dev-ruby/bacon/bacon-1.2.0-r4.ebuild
index fc61de71c151b..4daed7290dfba 100644
--- a/dev-ruby/bacon/bacon-1.2.0-r4.ebuild
+++ b/dev-ruby/bacon/bacon-1.2.0-r4.ebuild
@@ -2,7 +2,8 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
-USE_RUBY="ruby31 ruby32 ruby33 ruby34"
+
+USE_RUBY="ruby32 ruby33 ruby34 ruby40"
 
 RUBY_FAKEGEM_DOCDIR="doc"
 RUBY_FAKEGEM_EXTRADOC="ChangeLog README.rdoc"