diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cf7c5d1..6799ed8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -28,7 +28,7 @@ update:
     - git config --global user.email "${CI_EMAIL}"
     - git config --global user.name "${CI_USERNAME}"
     # the part that updates the flake
-    - nix flake lock --update-input $PACKAGE_NAME
+    - nix --experimental-features 'nix-command flakes' flake lock --update-input $PACKAGE_NAME
     - git add flake.lock
     - git commit -m "[skip ci] Updated flake for $PACKAGE_NAME" || echo "No changes, nothing to commit"
     # we have a custom domain