diff --git a/composer.json b/composer.json
index a2c07d7..4cb16fa 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
     "patchlevel/coding-standard": "^1.3.0",
     "phpstan/phpstan": "^2.1.32",
     "phpstan/phpstan-symfony": "^2.0.8",
-    "phpunit/phpunit": "^11.5.45",
+    "phpunit/phpunit": "^13.0.0",
     "roave/security-advisories": "dev-master",
     "wnx/commonmark-markdown-renderer": "^1.6"
   },