diff --git a/.github/dco.yml b/.github/dco.yml
new file mode 100644
index 0000000..0c4b142
--- /dev/null
+++ b/.github/dco.yml
@@ -0,0 +1,2 @@
+require:
+  members: false
diff --git a/.github/workflows/build.yml b/.github/workflows/build-for-pull-request.yml
similarity index 59%
rename from .github/workflows/build.yml
rename to .github/workflows/build-for-pull-request.yml
index 59d99a3..e29fae1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build-for-pull-request.yml
@@ -11,16 +11,23 @@ permissions:
 
 jobs:
   build:
+    name: Build
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    strategy:
+      fail-fast: false
+      matrix:
+        node-version: [ 20.x, 22.x, 24.x ]
     steps:
       - name: Checkout
         uses: actions/checkout@v6
 
-      - name: Setup Node.js
+      - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v6
         with:
-          node-version: 22
-          cache: npm
+          node-version: ${{ matrix.node-version }}
+          cache: "npm"
 
       - name: Install Dependencies
         run: npm ci
diff --git a/.github/workflows/deploy-to-github-pages.yml b/.github/workflows/deploy-to-github-pages.yml
index 34800c1..b90e2ab 100644
--- a/.github/workflows/deploy-to-github-pages.yml
+++ b/.github/workflows/deploy-to-github-pages.yml
@@ -4,6 +4,8 @@ on:
   push:
     branches:
       - main
+  schedule:
+    - cron: '0 3 1 1 *'  # Every year on January 1st at 3 AM UTC
   workflow_dispatch:
 
 permissions: