diff --git a/composer.json b/composer.json
index b54dfde..5110c41 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
     ],
     "require": {
         "ext-swoole": "^4.0",
-        "symfony/process": "^4.3|^5.0"
+        "symfony/process": "^3.3|^4.0|^5.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^8.5"