diff --git a/.github/workflows/citation-validation.yml b/.github/workflows/citation-validation.yml
index 14413f3..51eafcd 100644
--- a/.github/workflows/citation-validation.yml
+++ b/.github/workflows/citation-validation.yml
@@ -44,7 +44,7 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
 
       - name: Setup Ruby ${{ needs.get-ruby-version.outputs.version }}
-        uses: ruby/setup-ruby@d781c1b4ed31764801bfae177617bb0446f5ef8d  # v1.218.0
+        uses: ruby/setup-ruby@32110d4e311bd8996b2a82bf2a43b714ccc91777  # v1.221.0
         with:
           ruby-version: ${{ needs.get-ruby-version.outputs.version }}
 
diff --git a/.github/workflows/document-validation.yml b/.github/workflows/document-validation.yml
index 037e2a3..794b18a 100644
--- a/.github/workflows/document-validation.yml
+++ b/.github/workflows/document-validation.yml
@@ -58,7 +58,7 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
 
       - name: Setup Ruby ${{ needs.get-ruby-version.outputs.version }}
-        uses: ruby/setup-ruby@d781c1b4ed31764801bfae177617bb0446f5ef8d # v1.218.0
+        uses: ruby/setup-ruby@32110d4e311bd8996b2a82bf2a43b714ccc91777 # v1.221.0
         with:
           ruby-version: ${{ needs.get-ruby-version.outputs.version }}