diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index e341536..80da09c 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -17,7 +17,7 @@ jobs:
     steps:
     - uses: actions/checkout@v7.0.1
     - name: Set up Ruby
-      uses: ruby/setup-ruby@v1.319.0
+      uses: ruby/setup-ruby@v1.321.0
       with:
         ruby-version: '4.0'
         rubygems: latest
diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 16aec40..c756e3d 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -29,7 +29,7 @@ jobs:
     steps:
     - uses: actions/checkout@v7.0.1
     - name: Set up Ruby
-      uses: ruby/setup-ruby@v1.319.0
+      uses: ruby/setup-ruby@v1.321.0
       with:
         ruby-version: ${{ matrix.ruby-version }}
         bundler-cache: true