diff --git a/composer.json b/composer.json
index ff7e6551..719dbe1a 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
     "source": "https://github.com/Lctrs/psalm-psr-container-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",
     "ext-simplexml": "*",
     "nikic/php-parser": "^4.19.4",
     "psr/container": "^1.1.2 || ^2.0.2",
@@ -41,7 +41,7 @@
     "ergebnis/license": "2.6.0",
     "maglnet/composer-require-checker": "4.7.1",
     "phpstan/extension-installer": "1.4.3",
-    "phpstan/phpstan": "1.12.11",
+    "phpstan/phpstan": "1.12.12",
     "phpstan/phpstan-deprecation-rules": "1.2.1",
     "phpstan/phpstan-phpunit": "1.4.1",
     "phpstan/phpstan-strict-rules": "1.6.1",