diff --git a/composer.json b/composer.json
index 6315aff..aeb37f6 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
   },
   "require-dev": {
     "roave/security-advisories": "dev-master",
-    "symfony/var-dumper": "^4.2@dev",
+    "symfony/var-dumper": "^5.1.5",
     "symfony/debug": "^4.2@dev",
     "hellonico/timber-dump-extension": "dev-master"
   },