diff --git a/.github/workflows/std.yml b/.github/workflows/std.yml
index eb7074cb..37498986 100644
--- a/.github/workflows/std.yml
+++ b/.github/workflows/std.yml
@@ -11,11 +11,11 @@ jobs:
 
      steps:
        - name: Checkout
-         uses: actions/checkout@v3
+         uses: actions/checkout@v4
        - name: Setup dependencies
          run: |
            sudo apt -y update
-           sudo apt -y install pandoc wkhtmltopdf
+           sudo apt -y install pandoc wkhtmltopdf weasyprint
        - name: make the document
          run: |
            make -C doc/std VO-DML.pdf
diff --git a/doc/std/Makefile b/doc/std/Makefile
index c0f455eb..ef5eab93 100644
--- a/doc/std/Makefile
+++ b/doc/std/Makefile
@@ -35,4 +35,4 @@ $(DOCNAME).html: $(DOCNAME).md template.html
 	pandoc VO-DML.md -s --css=https://www.ivoa.net/misc/ivoa_wd.css --template=template.html --toc -N  -o VO-DML.html
 
 $(DOCNAME).pdf: $(DOCNAME).md template.html
-	pandoc VO-DML.md -s --css=https://www.ivoa.net/misc/ivoa_wd.css --template=template.html --to html --toc -N --pdf-engine-opt=--enable-local-file-access -o VO-DML.pdf
\ No newline at end of file
+	pandoc VO-DML.md -s --css=https://www.ivoa.net/misc/ivoa_wd.css --template=template.html --to html --toc -N  -o VO-DML.pdf
\ No newline at end of file