diff --git a/composer.json b/composer.json
index 70b1b7c..9c80423 100644
--- a/composer.json
+++ b/composer.json
@@ -44,7 +44,7 @@
         "sebastian/recursion-context": "^8.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^13.1.12"
+        "phpunit/phpunit": "^13.1.13"
     },
     "autoload": {
         "classmap": [