diff --git a/composer.json b/composer.json
index 479c8ad5..bd8c21e3 100644
--- a/composer.json
+++ b/composer.json
@@ -24,11 +24,11 @@
         "pestphp/pest-plugin": "^3.0.0",
         "pestphp/pest-plugin-arch": "^3.0.0",
         "pestphp/pest-plugin-mutate": "^3.0.5",
-        "phpunit/phpunit": "^11.5.3"
+        "phpunit/phpunit": "^11.5.6"
     },
     "conflict": {
         "filp/whoops": "<2.16.0",
-        "phpunit/phpunit": ">11.5.3",
+        "phpunit/phpunit": ">11.5.6",
         "sebastian/exporter": "<6.0.0",
         "webmozart/assert": "<1.11.0"
     },