diff --git a/composer.json b/composer.json
index 57176c41..4a896785 100644
--- a/composer.json
+++ b/composer.json
@@ -40,6 +40,7 @@
         "symfony/security-core": "^4.4|^5.0|^6.0",
         "symfony/serializer": "^4.4|^5.0|^6.0",
         "symfony/translation": "^4.4|^5.0|^6.0",
+        "symfony/yaml": "^4.4|^5.0|^6.0",
         "twig/twig": "^2.10|^3.0",
         "webeweb/core-library": "dev-common-library"
     },