diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 387b98d..8046431 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -7,5 +7,6 @@ jupiter-build:
   stage: build
   script:
     - ls -la
-    - nix build
+    - nix-build --version
+    - nix build machines/jupiter/configuration.nix