diff --git a/composer.json b/composer.json
index e8885a6..b2fdc16 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     "require-dev": {
         "dealerdirect/phpcodesniffer-composer-installer": "^1.0",
         "laminas/laminas-test": "^4.9",
-        "phpunit/phpunit": "^10.4",
+        "phpunit/phpunit": "^12.0",
         "psalm/plugin-phpunit": "^0.19.0",
         "squizlabs/php_codesniffer": "^3.7",
         "vimeo/psalm": "^5.13"