diff --git a/.github/workflows/static.yml b/.github/workflows/static.yml
index d4745b8..ff88935 100644
--- a/.github/workflows/static.yml
+++ b/.github/workflows/static.yml
@@ -29,8 +29,13 @@ jobs:
       url: ${{ steps.deployment.outputs.page_url }}
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
+      - name: checkout
+        uses: actions/checkout@v2
+        with:
+            lfs: 'true'
+      - name: checkoutLFS
+        uses: actions/checkout@v2
+      - run: git lfs pull
       - name: Set up Python 3.8
         uses: actions/setup-python@v2
         with:
diff --git a/requirements.txt b/requirements.txt
index 9a8a4ca..7aa672e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,4 @@
 mkdocs
 mkdocs-material
+mkdocs-pdf-export-plugin
+bs4