diff --git a/dev-ruby/oauth2/oauth2-1.4.10.ebuild b/dev-ruby/oauth2/oauth2-1.4.10.ebuild
index 10d7f5fd34907..9092b0a77b65c 100644
--- a/dev-ruby/oauth2/oauth2-1.4.10.ebuild
+++ b/dev-ruby/oauth2/oauth2-1.4.10.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=8
 
-USE_RUBY="ruby27 ruby30"
+USE_RUBY="ruby27 ruby30 ruby31"
 
 RUBY_FAKEGEM_TASK_TEST="none"