diff --git a/composer.json b/composer.json
index ae6dbec..470df8a 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
     "require": {
         "php": ">=7.4",
         "ext-json": "*",
-        "ext-swoole": ">=4.4.8",
+        "ext-swoole": ">=4.6",
         "nette/php-generator": "^3.2",
         "open-smf/connection-pool": "~1.0",
         "stechstudio/backoff": "^1.2",