diff --git a/dev-ruby/net-protocol/net-protocol-0.1.2.ebuild b/dev-ruby/net-protocol/net-protocol-0.1.2.ebuild
index 69e07b69b2c42..a64dd392a5c1c 100644
--- a/dev-ruby/net-protocol/net-protocol-0.1.2.ebuild
+++ b/dev-ruby/net-protocol/net-protocol-0.1.2.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
-USE_RUBY="ruby26 ruby27 ruby30"
+USE_RUBY="ruby26 ruby27 ruby30 ruby31"
 
 RUBY_FAKEGEM_BINWRAP=""
 RUBY_FAKEGEM_EXTRADOC="README.md"