diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a190c5b..387b98d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,5 +6,6 @@ jupiter-build:
   image: nixos/nix
   stage: build
   script:
+    - ls -la
     - nix build