diff --git a/composer.json b/composer.json
index fd11c05..78950ab 100644
--- a/composer.json
+++ b/composer.json
@@ -22,6 +22,7 @@
         "symfony/html-sanitizer": "*",
         "symfony/http-client": "*",
         "symfony/intl": "*",
+        "symfony/lock": "*",
         "symfony/mailer": "*",
         "symfony/mercure-bundle": "^0.3.2",
         "symfony/messenger": "*",