diff --git a/composer.json b/composer.json
index 3e224f0..68c36c0 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
         }
     ],
     "require": {
-        "php": ">=7.3",
+        "php": ">=7.4",
         "ext-json": "*",
         "ext-pdo": "*",
         "ext-swoole": ">=4.4",