diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index f78e99a..9304d7f 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@a2bbe5b1b236842c1cb7dd11e8e3b51e0a616acc
+        uses: ruby/setup-ruby@4a9ddd6f338a97768b8006bf671dfbad383215f4
         with:
           ruby-version: .ruby-version
           bundler-cache: true
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index c438f9b..c230619 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
 
       - name: Setup Ruby
-        uses: ruby/setup-ruby@a2bbe5b1b236842c1cb7dd11e8e3b51e0a616acc
+        uses: ruby/setup-ruby@4a9ddd6f338a97768b8006bf671dfbad383215f4
         with:
           ruby-version: .ruby-version
           bundler-cache: true