diff --git a/composer.json b/composer.json
index a618595..8f5505d 100644
--- a/composer.json
+++ b/composer.json
@@ -51,11 +51,12 @@
         "paragonie/random-lib": "Provides RandomLib for use with the RandomLibAdapter"
     },
     "config": {
-        "sort-packages": true
-    },
-    "extra": {
-        "branch-alias": {
-            "dev-master": "3.x-dev"
+        "sort-packages": true,
+        "allow-plugins": {
+            "phpstan/extension-installer": true,
+            "dealerdirect/phpcodesniffer-composer-installer": true,
+            "ergebnis/composer-normalize": true,
+            "captainhook/plugin-composer": true
         }
     },
     "replace": {