diff --git a/composer.json b/composer.json
index e3bdf7c1..57323587 100644
--- a/composer.json
+++ b/composer.json
@@ -32,7 +32,7 @@
     "friends-of-behat/symfony-extension": "^2.1",
     "friends-of-behat/variadic-extension": "^1.3",
     "lchrusciel/api-test-case": "^4.1 || ^5.0",
-    "matthiasnoback/symfony-config-test": "^5.1",
+    "matthiasnoback/symfony-config-test": "^4.0 || ^5.1",
     "phpspec/phpspec": "^7.2",
     "phpstan/extension-installer": "^1.0",
     "phpstan/phpstan": "^1.8.1",