diff --git a/.github/workflows/linting.yml b/.github/workflows/linting.yml
index 3fa1fd44633..8365b5d6c8d 100644
--- a/.github/workflows/linting.yml
+++ b/.github/workflows/linting.yml
@@ -1,6 +1,7 @@
 name: Linting
 on:
   - pull_request
+  - workflow_dispatch
 jobs:
   yamllint:
     name: Yamllint
diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index 5d1efa5ed84..13ca3d425b2 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -7,6 +7,7 @@ on:
     branches:
       - master
   pull_request:
+  workflow_dispatch:
 
 jobs:
   main:
diff --git a/.gitignore b/.gitignore
index b90a35666a1..f13b2f53b1f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,7 @@ doc
 .bundle
 Gemfile.lock
 Gemfile.local
+vendor/
 
 # rbenv
 .ruby-version
diff --git a/spec/rubocop/formatter/formatter_set_spec.rb b/spec/rubocop/formatter/formatter_set_spec.rb
index eeb86b40fcb..2016b0bb510 100644
--- a/spec/rubocop/formatter/formatter_set_spec.rb
+++ b/spec/rubocop/formatter/formatter_set_spec.rb
@@ -3,6 +3,11 @@
 RSpec.describe RuboCop::Formatter::FormatterSet do
   subject(:formatter_set) { described_class.new }
 
+  win_close = lambda do |fset|
+    fset.close_output_files
+    fset.each { |f| f.instance_variable_set :@output, nil }
+  end
+
   it 'responds to all formatter API methods' do
     %i[started file_started file_finished finished].each do |method|
       expect(formatter_set).to respond_to(method)
@@ -52,6 +57,7 @@
         formatter_set.add_formatter('simple', output_path)
         expect(formatter_set.first.output.class).to eq(File)
         expect(formatter_set.first.output.path).to eq(output_path)
+        win_close.call(formatter_set) if RuboCop::Platform.windows?
       end
 
       context "when parent directories don't exist" do
@@ -60,13 +66,11 @@
         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)
           expect(formatter_set.first.output.path).to eq(output_path)
+          win_close.call(formatter_set) if RuboCop::Platform.windows?
         end
       end
     end
@@ -91,10 +95,12 @@
     it 'closes all output files' do
       formatter_set.close_output_files
       formatter_set[0..1].each { |formatter| expect(formatter.output.closed?).to be(true) }
+      win_close.call(formatter_set) if RuboCop::Platform.windows?
     end
 
     it 'does not close non file output' do
       expect(formatter_set[2].output.closed?).to be(false)
+      win_close.call(formatter_set) if RuboCop::Platform.windows?
     end
   end