diff --git a/composer.json b/composer.json
index 095cf92..962ec6f 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
 	"require": {
 		"php": ">=5.4",
 		"guzzlehttp/guzzle": "~5.0|~6.0",
-		"illuminate/support": "~5.0"
+		"illuminate/support": "~4.0|~5.0"
 	},
 	"require-dev": {
 		"phpunit/phpunit" : "4.8.36",