diff --git a/.gitea/workflows/build.yaml b/.gitea/workflows/build.yaml
index 4dfb4f7..0ce5ebd 100644
--- a/.gitea/workflows/build.yaml
+++ b/.gitea/workflows/build.yaml
@@ -27,7 +27,7 @@ jobs:
       - name: build presentation
         working-directory: ./presentation
         run: |
-          npx @marp-team/marp-cli@latest --theme-set styles/cantor.css presentation.md -o index.html && \
+          npx @marp-team/marp-cli@latest --theme styles/cantor.css presentation.md -o index.html && \
           zip -r ../presentation.zip .
       - name: upload to pages
         run: |