diff --git a/dev-ruby/spring/spring-4.3.0.ebuild b/dev-ruby/spring/spring-4.3.0.ebuild
index 281a33129a3ef..9970faa15a542 100644
--- a/dev-ruby/spring/spring-4.3.0.ebuild
+++ b/dev-ruby/spring/spring-4.3.0.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=8
 
-USE_RUBY="ruby31 ruby32 ruby33"
+USE_RUBY="ruby31 ruby32 ruby33 ruby34"
 
 RUBY_FAKEGEM_TASK_DOC=""
 RUBY_FAKEGEM_EXTRADOC="CHANGELOG.md README.md"