diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6756a6c256267cf332db5c43602978c0a8faf63f..f20adea12b913472f82fd63f45b8d54468f90f8a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -284,9 +284,9 @@ default:
       - vendor/
   script:
       - composer validate
-      - composer install
+      - composer install --optimize-autoloader
       - if [ -n "$COMPOSER_UPDATE" ]; then
-          composer update;
+          composer update --optimize-autoloader;
           composer outdated;
         fi