diff --git a/dev-ruby/open4/open4-1.3.4-r1.ebuild b/dev-ruby/open4/open4-1.3.4-r1.ebuild
index cf8bab8e1beb3..4dee9215765e9 100644
--- a/dev-ruby/open4/open4-1.3.4-r1.ebuild
+++ b/dev-ruby/open4/open4-1.3.4-r1.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
-USE_RUBY="ruby31 ruby32 ruby33"
+USE_RUBY="ruby31 ruby32 ruby33 ruby34"
 
 RUBY_FAKEGEM_TASK_DOC=""
 RUBY_FAKEGEM_EXTRADOC="README"
@@ -15,7 +15,7 @@ HOMEPAGE="https://github.com/ahoward/open4"
 LICENSE="MIT"
 SLOT="0"
 KEYWORDS="amd64 arm arm64 ~hppa ~loong ppc ppc64 ~riscv ~s390 sparc x86"
-IUSE=""
+IUSE="test"
 
 ruby_add_bdepend "test? ( dev-ruby/minitest )"