diff --git a/.gitea/workflows/build.yaml b/.gitea/workflows/build.yaml
index d421ade..58850e6 100644
--- a/.gitea/workflows/build.yaml
+++ b/.gitea/workflows/build.yaml
@@ -10,12 +10,16 @@ jobs:
         working-directory: ./presentation
         uses: docker://marpteam/marp-cli:latest
         with:
-          args: ./presentation.md -o ./index.html --html --theme-set ./themes --
+          args: ./presentation.md --html --allow-local-files -o ./index.html --html --theme-set ./themes --
+        env:
+          MARP_USER: root:root
       - name: build pdf presentation
         working-directory: ./presentation
         uses: docker://marpteam/marp-cli:latest
         with:
-          args: --html --allow-local-files -o presentation.pdf --theme-set ./themes --
+          args: ./presentation.md --html --allow-local-files -o ./presentation.pdf --theme-set ./themes --
+        env:
+          MARP_USER: root:root
       - name: compress as zip
         run: |
           zip -r ../presentation.zip .