diff --git a/composer.json b/composer.json
index 38dfdb8..5794724 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
         "bin/roave-infection-static-analysis-plugin"
     ],
     "require": {
-        "php": "~8.1.0 || ~8.2.0 || ~8.3.0",
+        "php": "~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0",
         "composer-runtime-api": "^2.2",
         "infection/infection": "0.27.11",
         "sanmai/later": "^0.1.4",