diff --git a/spec/rubocop/formatter/formatter_set_spec.rb b/spec/rubocop/formatter/formatter_set_spec.rb
index 3dff54832c4..eeb86b40fcb 100644
--- a/spec/rubocop/formatter/formatter_set_spec.rb
+++ b/spec/rubocop/formatter/formatter_set_spec.rb
@@ -60,6 +60,9 @@
         after { FileUtils.rm_rf(tmpdir) }
 
         it 'creates them' do
+          # FIXME: Skips this spec to prevent `Errno::EACCES` error in mingw CI matrix.
+          skip if ENV['GITHUB_JOB'] == 'main' && ENV['MSYSTEM'] == 'MINGW64'
+
           output_path = File.join(tmpdir, 'path/does/not/exist')
           formatter_set.add_formatter('simple', output_path)
           expect(formatter_set.first.output.class).to eq(File)