diff --git a/composer.json b/composer.json
index c78d619..b2348e6 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
   },
   "require-dev": {
     "php-cs-fixer/shim": "^3.67",
-    "phpunit/phpunit": "^11.5.5",
+    "phpunit/phpunit": "^11.5.6",
     "psalm/phar": "^5.26"
   },
   "autoload": {