diff --git a/composer.json b/composer.json
index 468ec8c..ffdae77 100644
--- a/composer.json
+++ b/composer.json
@@ -1,15 +1,24 @@
 {
     "name":              "jrosset/mbstring-extended",
-    "type":              "library",
     "description":       "Add \"missing\" mbstring methods like str_pad",
     "keywords":          [ "mbstring" ],
+    "type":              "library",
+
+    "config":            {
+        "sort-packages": true
+    },
+    "extra":             {
+        "branch-alias": {
+            "dev-master": "1.x-dev"
+        }
+    },
 
     "minimum-stability": "stable",
     "require":           {
-        "php":                       ">=7.1",
+        "php":                       "^7.1 || ^8.0",
         "symfony/polyfill-mbstring": "^1.27"
     },
-    "suggest": {
+    "suggest":           {
         "ext-mbstring": "For best performance"
     },
     "autoload":          {