diff --git a/.github/workflows/test-ruby-head.yml b/.github/workflows/test-ruby-head.yml
index d8edb6faf3..7d0a0e65d5 100644
--- a/.github/workflows/test-ruby-head.yml
+++ b/.github/workflows/test-ruby-head.yml
@@ -21,7 +21,7 @@ jobs:
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Set up Ruby
-        uses: ruby/setup-ruby@d781c1b4ed31764801bfae177617bb0446f5ef8d # v1.218.0
+        uses: ruby/setup-ruby@32110d4e311bd8996b2a82bf2a43b714ccc91777 # v1.221.0
         with:
           ruby-version: ${{ matrix.ruby-version }}
       - name: Install addons
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e083602edd..8b83ac7b79 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -32,7 +32,7 @@ jobs:
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Set up Ruby
-        uses: ruby/setup-ruby@d781c1b4ed31764801bfae177617bb0446f5ef8d # v1.218.0
+        uses: ruby/setup-ruby@32110d4e311bd8996b2a82bf2a43b714ccc91777 # v1.221.0
         with:
           ruby-version: ${{ matrix.ruby-version }}
       - name: Install addons