diff --git a/composer.json b/composer.json
index 6668161..f4b4246 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
 	],
 	"require": {
 		"php": ">=5.6.0",
-		"illuminate/support": "^6.0",
+		"illuminate/support": "5.*",
 		"fakturoid/fakturoid-php": "^1.0"
 	},
 	"autoload": {