diff --git a/composer.json b/composer.json
index a23720cc..8feb47bf 100644
--- a/composer.json
+++ b/composer.json
@@ -43,7 +43,7 @@
         "laminas/laminas-i18n": "^2.28.1",
         "laminas/laminas-uri": "^2.12",
         "pear/archive_tar": "^1.5.0",
-        "phpunit/phpunit": "^10.5.36",
+        "phpunit/phpunit": "^12.0.0",
         "psalm/plugin-phpunit": "^0.19.0",
         "psr/http-factory": "^1.1.0",
         "vimeo/psalm": "^5.26.1"