diff --git a/rails/gitlab-ci.yml b/rails/gitlab-ci.yml
index 377e35489a7e88488a37fd44eca697c258bb0424..9bf8275c7d16a578f6c5973e12b594a2bb159187 100644
--- a/rails/gitlab-ci.yml
+++ b/rails/gitlab-ci.yml
@@ -64,7 +64,7 @@ rails_test:
     POSTGRES_PASSWORD: postgres
     DATABASE_URL: "postgresql://postgres:postgres@postgres:5432"
   script:
-    - gem install bundler --silent && bundle install --quiet
+    - gem install bundler --silent && bundle install --jobs $(nproc) --quiet
     - bin/rails db:prepare test
 
 #rails_system_test: