diff --git a/composer.json b/composer.json
index e8c2805..8e40ad0 100644
--- a/composer.json
+++ b/composer.json
@@ -15,8 +15,8 @@
     ],
     "minimum-stability": "dev",
     "require": {
-        "php": ">=5.6.4",
-        "illuminate/database": "^5.4"
+        "php": "^7.1.3",
+        "illuminate/database": "5.7.*"
     },
     "autoload": {
         "psr-4": {