diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 85eb6ba7a2bb28154f2624d8840d98897414ca27..3ee9412967c697cad8bcd85bb38f7f51e9222db8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -59,6 +59,7 @@ variables:
   _CONFIG_DOCKERHUB_ROOT: "drupalci"
   # Let composer know what self.version means.
   COMPOSER_ROOT_VERSION: "${CI_MERGE_REQUEST_TARGET_BRANCH_NAME}${CI_COMMIT_BRANCH}-dev"
+  COMPOSER_ALLOW_SUPERUSER: 1
   CONCURRENCY: 24
   GIT_DEPTH: "50"
   PARENT_PIPELINE_ID: $CI_PIPELINE_ID