diff --git a/composer.json b/composer.json
index b3bf6ae..dcc8989 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
         "doctrine/dbal": "^2.5 | ^3.0",
         "doctrine/orm": "^2.5",
         "phpstan/phpstan": "1.10.38",
-        "phpstan/phpstan-phpunit": "1.3.14",
+        "phpstan/phpstan-phpunit": "1.3.15",
         "rector/rector": "0.18.5",
         "roave/security-advisories": "dev-master",
         "serendipity_hq/rector-config": "^1.0",