From ee8dc8a2f3ee7983d18339ea31444a981e63a874 Mon Sep 17 00:00:00 2001
From: NAKAMURA Usaku <usa@ruby-lang.org>
Date: Thu, 24 Nov 2022 20:43:04 +0900
Subject: Fix GitHub Actions error

---
 tool/gem-unpack.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tool/gem-unpack.rb b/tool/gem-unpack.rb
index 0ddcea0704..08faec9355 100644
--- a/tool/gem-unpack.rb
+++ b/tool/gem-unpack.rb
@@ -1,3 +1,4 @@
+require 'fileutils'
 require 'rubygems'
 require 'rubygems/package'
 
-- 
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