diff --git a/.forgejo/workflows/serve.yaml b/.forgejo/workflows/serve.yaml
index d6094bf..6e3215b 100644
--- a/.forgejo/workflows/serve.yaml
+++ b/.forgejo/workflows/serve.yaml
@@ -13,7 +13,7 @@ jobs:
       - name: Install dependencies
         run: ./.env/bin/pip install mystmd jupyterlab_myst ipykernel altair pandas
       - name: Build static HTML
-        run: ./.env/bin/myst build --html
+        run: ./.env/bin/myst build --execute --html
       - name: Copy files
         run: |
           rm -rf /data/srv/forgejo-runner/cours4.0