diff --git a/.github/workflows/cibuild.yaml b/.github/workflows/cibuild.yaml
index b76a038..b0cd8ff 100644
--- a/.github/workflows/cibuild.yaml
+++ b/.github/workflows/cibuild.yaml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v6
-      - uses: ruby/setup-ruby@675dd7ba1b06c8786a1480d89c384f5620a42647 # v1.281.0
+      - uses: ruby/setup-ruby@80740b3b13bf9857e28854481ca95a84e78a2bdf # v1.284.0
         with:
           ruby-version: ${{ matrix.ruby }}
       - name: script/cibuild
diff --git a/.github/workflows/pages-gem.yml b/.github/workflows/pages-gem.yml
index 12e17a7..3860665 100644
--- a/.github/workflows/pages-gem.yml
+++ b/.github/workflows/pages-gem.yml
@@ -14,7 +14,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v6
       - name: Setup Ruby
-        uses: ruby/setup-ruby@675dd7ba1b06c8786a1480d89c384f5620a42647 # v1.281.0
+        uses: ruby/setup-ruby@80740b3b13bf9857e28854481ca95a84e78a2bdf # v1.284.0
         with:
           ruby-version: "3.3"
       - name: Build gem