diff --git a/composer.json b/composer.json
index 2962753..f496322 100644
--- a/composer.json
+++ b/composer.json
@@ -15,10 +15,9 @@
 	},
 	"minimum-stability": "stable",
 	"require": {
-		"php": ">=5.5.9",
-		"illuminate/database": "5.*",
-		"illuminate/support": "5.*",
-		"psr/log": "^1.0"
+		"php": "^7.1.3",
+		"illuminate/database": "^5.6",
+		"illuminate/support": "^5.6"
 	},
 	"extra": {
 		"laravel": {