diff --git a/composer.json b/composer.json
index 889f625..c820af4 100644
--- a/composer.json
+++ b/composer.json
@@ -36,7 +36,7 @@
     "helhum/typo3-console": "^6.0 || ^7.1 || ^8.0",
     "typo3/minimal": "^10.4 || ^11.5 || ^12.4",
     "typo3/cms-lowlevel": "^10.4 || ^11.5 || ^12.4",
-    "symfony/serializer": "^5.0 || ^6.2"
+    "symfony/serializer": "^7.1.5"
   },
   "replace": {
     "typo3-ter/t3-messenger": "self.version"