diff --git a/composer.json b/composer.json
index 61564e1..55d05ed 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     "minimum-stability": "dev",
     "prefer-stable": true,
     "require": {
-        "php": "^7.4",
+        "php": "^7.4|^8.0",
         "foxy/foxy": "^1.1@dev",
         "yiisoft/assets": "@dev",
         "yiisoft/arrays": "@dev",
@@ -28,8 +28,8 @@
     },
     "require-dev": {
         "infection/infection": "^0.16.3",
-        "phan/phan": "^3.0.2",
-        "phpunit/phpunit": "^9.2",
+        "phan/phan": "^3.0",
+        "phpunit/phpunit": "^9.3",
         "yiisoft/composer-config-plugin": "^1.0@dev",
         "yiisoft/di": "^3.0@dev",
         "yiisoft/log": "^3.0@dev"