diff --git a/composer.json b/composer.json
index bfe7d033..64c996c1 100644
--- a/composer.json
+++ b/composer.json
@@ -54,7 +54,7 @@
         "symfony/browser-kit": "^4.3",
         "symfony/dom-crawler": "^4.3",
         "symfony/expression-language": "^4.3",
-        "symfony/panther": "^0.5.2",
+        "symfony/panther": "^0.5.2 || ^0.6.0",
         "symfony/phpunit-bridge": "^4.3",
         "symfony/templating": "^4.3",
         "symfony/twig-bundle": "^4.3",