diff --git a/composer.json b/composer.json
index 79e67f8e..daed2fb6 100644
--- a/composer.json
+++ b/composer.json
@@ -31,7 +31,7 @@
     "symfony/framework-bundle": "^4.0",
     "symfony/http-foundation": "^4.0",
     "symfony/messenger": "^4.2",
-    "symfony/serializer": "^4.0"
+    "symfony/serializer": "^5.4"
   },
   "config": {
     "platform": {