diff --git a/.gitea/workflows/build.yaml b/.gitea/workflows/build.yaml
index 424116d..a0acc87 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 themes/cantor.css presentation.md -o index.html && \
+          npx @marp-team/marp-cli@latest --theme-set ./themes presentation.md -o index.html && \
           zip -r ../presentation.zip .
       - name: upload to pages
         run: |
diff --git a/presentation/presentation.md b/presentation/presentation.md
index a24563d..37c1677 100644
--- a/presentation/presentation.md
+++ b/presentation/presentation.md
@@ -2,12 +2,13 @@
 title: Sample title goes here
 author: romane
 description: testing marpx
+keywords: []
 
 header: Header goes here
 footer: "2026-XX-XX"
 
 marp: true
-theme: cantor
+theme: gödel
 paginate: true
 transition: none