diff --git a/composer.json b/composer.json
index 84eda98..d655123 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     "require-dev": {
         "phpstan/extension-installer": "^1.4",
         "phpstan/phpstan": "^1.12",
-        "phpunit/phpunit": "^9.6",
+        "phpunit/phpunit": "^11.4",
         "symfony/var-dumper": "^5.3",
         "thecodingmachine/phpstan-safe-rule": "^1.2",
         "tomasvotruba/cognitive-complexity": "0.2.3",