diff --git a/.github/workflows/cibuild.yaml b/.github/workflows/cibuild.yaml
index fa6c365..6434161 100644
--- a/.github/workflows/cibuild.yaml
+++ b/.github/workflows/cibuild.yaml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v5
-      - uses: ruby/setup-ruby@0481980f17b760ef6bca5e8c55809102a0af1e5a # v1.263.0
+      - uses: ruby/setup-ruby@ab177d40ee5483edb974554986f56b33477e21d0 # v1.265.0
         with:
           ruby-version: ${{ matrix.ruby }}
       - name: script/cibuild
diff --git a/.github/workflows/pages-gem.yml b/.github/workflows/pages-gem.yml
index 0d353ee..4dea54d 100644
--- a/.github/workflows/pages-gem.yml
+++ b/.github/workflows/pages-gem.yml
@@ -14,7 +14,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v5
       - name: Setup Ruby
-        uses: ruby/setup-ruby@0481980f17b760ef6bca5e8c55809102a0af1e5a # v1.263.0
+        uses: ruby/setup-ruby@ab177d40ee5483edb974554986f56b33477e21d0 # v1.265.0
         with:
           ruby-version: "3.3"
       - name: Build gem