diff --git a/.gitea/workflows/build-pdf.yml b/.gitea/workflows/build-pdf.yml
index 4389792..72d0124 100644
--- a/.gitea/workflows/build-pdf.yml
+++ b/.gitea/workflows/build-pdf.yml
@@ -48,7 +48,7 @@ jobs:
         run: make pdf
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v3
         with:
           name: output-pdf
           path: _dist/output.pdf