diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 777deb04d0..3c445afa4e 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -22,7 +22,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Setup Ruby
-        uses: ruby/setup-ruby@3a77c29278ae80936b4cb030fefc7d21c96c786f # v1.185.0
+        uses: ruby/setup-ruby@161cd54b698f1fb3ea539faab2e036d409550e3c # v1.187.0
         with:
           ruby-version: '3.2'
           bundler-cache: true
diff --git a/.github/workflows/ruby-core.yml b/.github/workflows/ruby-core.yml
index 6a193c37ca..363d4acf80 100644
--- a/.github/workflows/ruby-core.yml
+++ b/.github/workflows/ruby-core.yml
@@ -22,7 +22,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Set up latest ruby head
-        uses: ruby/setup-ruby@3a77c29278ae80936b4cb030fefc7d21c96c786f # v1.185.0
+        uses: ruby/setup-ruby@161cd54b698f1fb3ea539faab2e036d409550e3c # v1.187.0
         with:
           ruby-version: head
           bundler: none