diff --git a/composer.json b/composer.json
index 945e81f..7abd15e 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
         "ext-json": "*"
     },
     "require-dev": {
-        "phpunit/phpunit": "^12.5.8"
+        "phpunit/phpunit": "^12.5.16"
     },
     "autoload": {
         "psr-4": {