From 3e82a1699815fde48a20abe8a4827cc835183e5a Mon Sep 17 00:00:00 2001
From: Akira Matsuda <ronnie@dio.jp>
Date: Wed, 10 Jul 2024 18:26:33 +0900
Subject: [PATCH] [CI] mutex_m has been gemified since Ruby 3.4

---
 Gemfile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Gemfile b/Gemfile
index 9484928..83700bc 100644
--- a/Gemfile
+++ b/Gemfile
@@ -17,6 +17,7 @@ gem 'nokogiri', RUBY_VERSION < '2.1' ? '~> 1.6.0' : '>= 1.7'
 gem 'loofah', RUBY_VERSION < '2.5' ? '< 2.21.0' : '>= 0'
 gem 'selenium-webdriver'
 gem 'bigdecimal', RUBY_VERSION < '2.7' ? '< 2' : '>= 0'
+gem 'mutex_m'
 
 rails_version = ENV['RAILS_VERSION'] || '∞'