diff --git a/composer.json b/composer.json
index 13d4ee8..71470cb 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
     },
     "require": {
         "php": ">=5.5.0",
-        "symfony/config": "^2.7.0|^3.0.6|^4.0",
+        "symfony/config": "^2.7.0|^3.0.6|^4.0|^5.0",
         "symfony/http-kernel": "^2.7.0|^3.0.6|^4.0",
         "symfony/dependency-injection": "^2.7.0|^3.0.6|^4.0",
         "limenius/react-renderer": "^4.0.0"