diff --git a/dev-ruby/serialport/serialport-1.3.2-r1.ebuild b/dev-ruby/serialport/serialport-1.3.2-r1.ebuild
index 2926a1035eebc..6fd74bbb98bf7 100644
--- a/dev-ruby/serialport/serialport-1.3.2-r1.ebuild
+++ b/dev-ruby/serialport/serialport-1.3.2-r1.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=8
 
-USE_RUBY="ruby30 ruby31 ruby32"
+USE_RUBY="ruby31 ruby32 ruby33"
 
 RUBY_FAKEGEM_TASK_DOC=""
 RUBY_FAKEGEM_TASK_TEST=""