diff --git a/dev-ruby/tty-reader/tty-reader-0.9.0-r1.ebuild b/dev-ruby/tty-reader/tty-reader-0.9.0-r1.ebuild
index e1672e412d4cb..4d74497fae204 100644
--- a/dev-ruby/tty-reader/tty-reader-0.9.0-r1.ebuild
+++ b/dev-ruby/tty-reader/tty-reader-0.9.0-r1.ebuild
@@ -1,9 +1,9 @@
-# Copyright 1999-2025 Gentoo Authors
+# Copyright 1999-2026 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
 
-USE_RUBY="ruby32 ruby33 ruby34"
+USE_RUBY="ruby32 ruby33 ruby34 ruby40"
 
 RUBY_FAKEGEM_RECIPE_TEST="rspec3"
 
@@ -30,6 +30,8 @@ ruby_add_rdepend "
 "
 
 all_ruby_prepare() {
-	sed -i -e '/bundler/ s:^:#:' spec/spec_helper.rb || die
+	sed -e '/bundler/ s:^:#:' \
+		-e '2igem "wisper", "~> 2.0"' \
+		-i spec/spec_helper.rb || die
 	sed -i -e 's:_relative ": "./:' ${RUBY_FAKEGEM_GEMSPEC} || die
 }