diff --git a/composer.json b/composer.json
index 827ff88..aa8c069 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
     "license": "MIT",
     "require": {
         "php": ">=7.1.0",
-        "illuminate/support": "^5.6",
+        "illuminate/support": "5.5.*|5.6.*|5.7.*|5.8.*|^6.0",
         "laravel/nova": "*"
     },
     "autoload": {