diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 535ba2fd6..75db5fe10 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -18,6 +18,7 @@ node dependencies:
   before_script:
     - install -m 0644 .gitlab-ci/nix-bootstrap.conf /etc/nix/nix.conf
     - nix-env -f '<nixpkgs>' -iA envsubst nixUnstable git coreutils
+    - nix-env -e busybox
     - envsubst -i .gitlab-ci/nix.conf -o /etc/nix/nix.conf
     - git config --global init.defaultBranch master
     - install -v -m 0700 -d ~/.ssh