diff --git a/composer.json b/composer.json
index 5bfc303..12f82b2 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
         "phpstan/extension-installer": "^1.4",
         "phpstan/phpstan": "^1.12",
         "phpstan/phpstan-deprecation-rules": "^1.2",
-        "phpunit/phpunit": "^9.6",
+        "phpunit/phpunit": "^11.5",
         "symfony/var-dumper": "^5.3",
         "thecodingmachine/phpstan-safe-rule": "^1.2",
         "tomasvotruba/cognitive-complexity": "0.2.3",