diff --git a/pdf/.github/workflows/workflow.yml b/pdf/.github/workflows/workflow.yml
index 6f4c5f0..9c28440 100644
--- a/pdf/.github/workflows/workflow.yml
+++ b/pdf/.github/workflows/workflow.yml
@@ -1,51 +1,40 @@
-name: Generate Directory Listing and Deploy to GitHub Pages
-
+name: directory-listing
 on: [push]
 
 jobs:
-  build:
+  pages-directory-listing:
     runs-on: ubuntu-latest
-
+    name: Directory Listings Index
     steps:
-    - uses: actions/checkout@v2
+      - name: Checkout Repository
+        uses: actions/checkout@v3
+        with:
+          ref: master    #checkout different branch
 
-    - name: Set up Python
-      uses: actions/setup-python@v2
-      with:
-        python-version: 3.8
+      - name: Generate Directory Listings
+        uses: jayanta525/github-pages-directory-listing@v4.0.0
+        with:
+          FOLDER: data      #directory to generate index
 
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install beautifulsoup4
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v1
+        with:
+          path: 'data'      # upload generated folder
 
-    - name: Generate Directory Listing
-      run: |
-        import os
-        import pathlib
-        from bs4 import BeautifulSoup
+  deploy:
+    needs: pages-directory-listing
+    permissions:
+      pages: write      # to deploy to Pages
+      id-token: write   # to verify the deployment originates from an appropriate source
 
-        def create_index_html(path):
-            soup = BeautifulSoup("<html><body><ul></ul></body></html>", "html.parser")
-            ul = soup.find("ul")
+    # Deploy to the github-pages environment
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
 
-            for child in sorted(path.iterdir()):
-                li = soup.new_tag("li")
-                a = soup.new_tag("a", href=str(child))
-                a.string = str(child)
-                li.append(a)
-                ul.append(li)
-
-            with open(path / "index.html", "w") as f:
-                f.write(str(soup))
-
-        root = pathlib.Path("data")
-        for path in sorted(root.rglob('*')):
-            if path.is_dir():
-                create_index_html(path)
-
-    - name: Deploy to GitHub Pages
-      uses: peaceiris/actions-gh-pages@v3
-      with:
-        github_token: ${{ secrets.GITHUB_TOKEN }}
-        publish_dir: ./data
+    # Specify runner + deployment step
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v1