diff --git a/composer.json b/composer.json
index dd482a5..1579ac3 100644
--- a/composer.json
+++ b/composer.json
@@ -38,7 +38,7 @@
     }
   },
   "require-dev": {
-    "phpunit/phpunit": "^12.5",
+    "phpunit/phpunit": "^13.0",
     "rector/rector": "~2.4.0",
     "phpstan/extension-installer": "^1.4",
     "szepeviktor/phpstan-wordpress": "^2.0",