diff --git a/.github/actions/sync/shared-config.rb b/.github/actions/sync/shared-config.rb
index 0092f716..8bf12573 100755
--- a/.github/actions/sync/shared-config.rb
+++ b/.github/actions/sync/shared-config.rb
@@ -44,7 +44,7 @@ def git(*args)
   homebrew_repository_path/"Library/#{rubocop_yaml}",
   permitted_classes: [Symbol, Regexp],
 )
-homebrew_rubocop_config_yaml["AllCops"]["Exclude"] << '"vendor/**/*"'
+homebrew_rubocop_config_yaml["AllCops"]["Exclude"] << "vendor/**/*"
 homebrew_rubocop_config = homebrew_rubocop_config_yaml.reject do |key, _|
   key.match?(%r{\Arequire|inherit_from|inherit_mode|Cask/|Formula|Homebrew|Performance/|RSpec|Sorbet/})
 end.to_yaml