diff --git a/composer.json b/composer.json
index 50063fd..5d61a7c 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
     "require": {
         "php": "^7.1",
         "guzzlehttp/guzzle": "^6.3",
-        "symfony/var-dumper": "^4.1"
+        "symfony/var-dumper": "^4.1|^5.0"
     },
 
     "require-dev": {