diff --git a/composer.json b/composer.json
index 35e2d9599..2bd66434e 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,6 @@
       "email": "zoujingli@qq.com"
     }
   ],
-  "minimum-stability": "stable",
   "require": {
     "php": ">=7.1.0",
     "ext-gd": "*",