diff --git a/composer.json b/composer.json
index 963c37b..0f160d9 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
     },
     "require-dev": {
         "doctrine/coding-standard":               "^12.0.0",
-        "phpunit/phpunit":                        "^11.5.7",
+        "phpunit/phpunit":                        "^12.0.3",
         "psalm/plugin-phpunit":                   "^0.19.2",
         "roave/infection-static-analysis-plugin": "^1.36.0",
         "vimeo/psalm":                            "^6.5.1"