From 804cbf76b034cc6ada88bf319edfa84f198efa0c Mon Sep 17 00:00:00 2001 From: "shigeru.nakajima" Date: Sat, 3 Jan 2026 14:55:08 +0900 Subject: [PATCH] Add rdoc as an explicit dependency for Ruby 4.0 compatibility Ruby 4.0 no longer ships rdoc as a default gem, so `require "rdoc/task"` fails under `bundle exec` unless rdoc is listed in the Gemfile. --- Gemfile | 1 + 1 file changed, 1 insertion(+) diff --git a/Gemfile b/Gemfile index 84a10c84c..fdd1ab1fd 100644 --- a/Gemfile +++ b/Gemfile @@ -8,6 +8,7 @@ group :development do gem "rake" gem "rake-compiler" gem "rb_sys", "0.9.108" + gem "rdoc", "~> 7.0" end group :check do