diff --git a/dev-ruby/kpeg/kpeg-1.3.1.ebuild b/dev-ruby/kpeg/kpeg-1.3.1.ebuild
index 145da7b1303aa..254aa1f1cb945 100644
--- a/dev-ruby/kpeg/kpeg-1.3.1.ebuild
+++ b/dev-ruby/kpeg/kpeg-1.3.1.ebuild
@@ -2,9 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
-USE_RUBY="ruby26 ruby27 ruby30"
-
-RUBY_FAKEGEM_RECIPE_DOC="rdoc"
+USE_RUBY="ruby26 ruby27 ruby30 ruby31"
 
 inherit ruby-fakegem