diff --git a/.drone.yml b/.drone.yml
index f9f6347..707f50d 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -153,6 +153,7 @@ steps:
       - name: docs
         path: /tmp/docs
     commands:
+      - ls -a ./docs/book
       - cp -r ./docs/book/* /tmp/docs
       - mkdir -p /tmp/docs/_api/backend
       - ls -a ./docker/backend/docs