diff --git a/.gitlab-ci/pipeline.yml b/.gitlab-ci/pipeline.yml
index 86edc11d6419b2c70e6ee4bd94b4cd12f38a4864..06231bf33ace2520eaf73e28386e2693efe00a08 100644
--- a/.gitlab-ci/pipeline.yml
+++ b/.gitlab-ci/pipeline.yml
@@ -262,7 +262,7 @@ stages:
     - cat ./core/.env
     - mkdir -p ./sites/simpletest ./sites/default/files /var/www/.cache/yarn /var/www/.yarn ./nightwatch_output
     - chown -R www-data:www-data ./sites/simpletest ./sites/default/files /var/www/.cache/yarn /var/www/.yarn ./nightwatch_output ./core/.env
-    - sudo BABEL_DISABLE_CACHE=1 -u www-data yarn --cwd ./core test:nightwatch
+    - sudo BABEL_DISABLE_CACHE=1 -u www-data yarn --cwd ./core test:nightwatch --workers=4
   artifacts:
     when: always
     expire_in: 6 mos