diff --git a/composer.json b/composer.json
index 5080078..11853c9 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
         "php": ">=8.1"
     },
     "require-dev": {
-        "phpunit/phpunit": "^11",
+        "phpunit/phpunit": "^10",
         "phpstan/phpstan": "^1.11"
     },
     "scripts": {