diff --git a/composer.json b/composer.json
index 20ab6d7..9bb8b94 100644
--- a/composer.json
+++ b/composer.json
@@ -44,7 +44,6 @@
     "ext-imagick": "*",
     "phpunit/phpunit": "dev-main",
     "phpstan/phpstan": "1.10.x-dev",
-    "phpstan/extension-installer": "^1.3",
     "friendsofphp/php-cs-fixer": "^3.54",
     "smalot/pdfparser": "dev-master"
   },
@@ -55,11 +54,5 @@
     "php-cs-fixer": "vendor/bin/php-cs-fixer fix"
   },
 
-  "minimum-stability": "stable",
-
-  "config": {
-    "allow-plugins": {
-      "phpstan/extension-installer": true
-    }
-  }
+  "minimum-stability": "stable"
 }