diff --git a/composer.json b/composer.json
index 14d8fc06..3f8f19f9 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     },
     "require-dev": {
         "phpstan/phpstan": "^1.2",
-        "phpunit/phpunit": "^9.6|^10.0",
+        "phpunit/phpunit": "11.3.5",
         "rector/rector": "^1.0.0",
         "symplify/easy-coding-standard": "^12.0"
     },