diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index b50b09c..39bfbc5 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 5ec94aa..1cb0c12 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -37,7 +37,7 @@ jobs:
       SP_PASSWORD: passfoo
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
diff --git a/Gemfile b/Gemfile
index 37b34c6..b38cf88 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,11 +11,9 @@ gem 'rspec'
 gem 'simplecov'
 gem 'webmock'
 
-if RUBY_VERSION >= '2.7'
-  gem 'rubocop', require: false
-  gem 'rubocop-packaging', require: false
-  gem 'rubocop-performance', require: false
-  gem 'rubocop-rails', require: false
-  gem 'rubocop-rake', require: false
-  gem 'rubocop-rspec', require: false
-end
+gem 'rubocop', require: false
+gem 'rubocop-packaging', require: false
+gem 'rubocop-performance', require: false
+gem 'rubocop-rails', require: false
+gem 'rubocop-rake', require: false
+gem 'rubocop-rspec', require: false