diff --git a/composer.json b/composer.json
index a255e87..a5a0027 100644
--- a/composer.json
+++ b/composer.json
@@ -7,8 +7,8 @@
         "email": "jhaoda@gmail.com"
     }],
     "require": {
-        "php": ">=5.4.0",
-        "socialiteproviders/manager": ">=2.1"
+        "php": "^5.6 || ^7.0",
+        "socialiteproviders/manager": "~2.0"
     },
     "autoload": {
         "psr-4": {