diff --git a/composer.json b/composer.json
index a002b58..8bc502b 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
         "php": ">=7.2",
         "behat/behat": "^3.0.5",
         "behat/mink": "^1.5",
-        "symfony/config": "^4.4|^5.0"
+        "symfony/config": "^3.4|^4.4|^5.0"
     },
 
     "require-dev": {