From bf36ca096a657fba533c609a398c8e3c3c14a8a7 Mon Sep 17 00:00:00 2001
From: m-nakamura145 <masato.nakamura145@gmail.com>
Date: Mon, 25 Dec 2023 22:26:19 +0900
Subject: [PATCH] Fix Ruby 3.3 bundled gem warning

---
 letter_opener.gemspec | 1 +
 1 file changed, 1 insertion(+)

diff --git a/letter_opener.gemspec b/letter_opener.gemspec
index a48546b..f4bfba0 100644
--- a/letter_opener.gemspec
+++ b/letter_opener.gemspec
@@ -12,6 +12,7 @@ Gem::Specification.new do |s|
   s.require_path = "lib"
 
   s.add_dependency 'launchy', '>= 2.2', '< 3'
+  s.add_dependency 'nkf'
 
   s.add_development_dependency 'rspec', '~> 3.10.0'
   s.add_development_dependency 'mail', '~> 2.6.0'