diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 08d315e47..ab0c69e44 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -94,6 +94,7 @@ backend dependencies:
   script:
     - "nix shell .#gnumake .#stack .#coreutils --command make backend-dependencies"
     - "ls -a ." # TODO: debug only
+    - "ls -a ${HOME}/.stack"
   before_script: *nix-before
   artifacts:
     paths: