diff --git a/composer.json b/composer.json
index be8a89a9..8f6c9c58 100644
--- a/composer.json
+++ b/composer.json
@@ -17,17 +17,19 @@
         }
     ],
     "require": {
-        "php": "^8.2.0",
+        "php": "^8.3.0",
         "brianium/paratest": "^7.8.3",
         "nunomaduro/collision": "^8.8.0",
         "nunomaduro/termwind": "^2.3.0",
-        "pestphp/pest-plugin": "^3.0.0",
-        "pestphp/pest-plugin-mutate": "^3.0.5",
-        "phpunit/phpunit": "12.1.0"
+        "pestphp/pest-plugin": "^4.0.0",
+        "pestphp/pest-plugin-arch": "^4.0.0",
+        "pestphp/pest-plugin-mutate": "^4.0.0",
+        "phpunit/phpunit": "^12.1.2"
     },
     "conflict": {
         "filp/whoops": "<2.16.0",
-        "sebastian/exporter": "<6.0.0",
+        "phpunit/phpunit": ">12.1.2",
+        "sebastian/exporter": "<7.0.0",
         "webmozart/assert": "<1.11.0"
     },
     "autoload": {
@@ -51,6 +53,8 @@
         ]
     },
     "require-dev": {
+        "pestphp/pest-dev-tools": "^4.0.0",
+        "pestphp/pest-plugin-type-coverage": "^4.0.0",
         "symfony/process": "^7.2.5"
     },
     "minimum-stability": "dev",