diff --git a/composer.json b/composer.json
index 026034121..9ec23e857 100644
--- a/composer.json
+++ b/composer.json
@@ -42,6 +42,7 @@
         "symfony/dom-crawler": "^5.4",
         "symfony/error-handler": "^5.4",
         "symfony/event-dispatcher": "^5.4",
+        "symfony/event-dispatcher-contracts": "^2.4",
         "symfony/expression-language": "^5.4",
         "symfony/filesystem": "^5.4",
         "symfony/finder": "^5.4",