diff --git a/composer.json b/composer.json
index 9795dda..e76780d 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     ],
     "require": {
         "php": "~7.0",
-        "illuminate/support": "^6.0 || ^7.0",
+        "illuminate/support": ">=6.0 <9.0",
         "maennchen/zipstream-php": ">=1.0",
         "ctf0/package-changelog": "*",
         "jhofm/flysystem-iterator": "^2.2"