diff --git a/.gitea/workflows/build_pdf.yaml b/.gitea/workflows/build_pdf.yaml
index 32ab6a1..682b6c8 100644
--- a/.gitea/workflows/build_pdf.yaml
+++ b/.gitea/workflows/build_pdf.yaml
@@ -14,7 +14,7 @@ jobs:
       - run: pdflatex fat.tex
       - run: echo "Starting second LaTeX build"
       - run: pdflatex fat.tex
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v3
         with:
           name: fat.pdf
           path: fat.pdf