diff --git a/composer.json b/composer.json
index dc9611c..537cb79 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
     "description": "A coroutine framework that focuses on hyperspeed and flexible, specifically use for build microservices and middlewares.",
     "license": "Apache-2.0",
     "require": {
-        "php": ">=7.2",
+        "php": ">=7.3",
         "ext-swoole": ">=4.5",
         "hyperf/cache": "2.1.*",
         "hyperf/command": "2.1.*",