diff --git a/composer.json b/composer.json
index b7ced636..c98fe6ba 100644
--- a/composer.json
+++ b/composer.json
@@ -28,6 +28,7 @@
     "composer-runtime-api": "^2.0",
     "psr/http-server-middleware": "^1.0.2",
     "ext-pcntl": "*",
+    "ext-sockets": "*",
     "nikic/php-parser": "^v5.5.0",
     "ext-inotify": "*",
     "game-worker/kiri-pool": "^v1.0",
@@ -35,8 +36,11 @@
   },
   "replace": {
     "symfony/polyfill-apcu": "*",
+    "symfony/polyfill-php80": "*",
     "symfony/polyfill-mbstring": "*",
     "symfony/polyfill-ctype": "*",
+    "symfony/polyfill-php73": "*",
+    "symfony/polyfill-php72": "*",
     "symfony/polyfill-php81": "*"
   },
   "autoload": {