diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 183d218e6..ffd3e3a9f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,7 +3,7 @@
         - chill/database:latest
     before_script:
         - composer config github-oauth.github.com $GITHUB_TOKEN
-        - composer install
+        - php -d memory_limit=-1 /usr/local/bin/composer install
         - cp  Resources/test/Fixtures/App/config/parameters.gitlab-ci.yml Resources/test/Fixtures/App/config/parameters.yml
         - php Resources/test/Fixtures/App/console --env=test cache:warmup
         - php Resources/test/Fixtures/App/console doctrine:migrations:migrate --env=test --no-interaction