diff --git a/composer.json b/composer.json
index a852870d..4730a710 100644
--- a/composer.json
+++ b/composer.json
@@ -36,7 +36,7 @@
         "roave/security-advisories": "dev-master",
         "symfony/console": "^4.4|^5.2",
         "symfony/var-dumper": "^4.4|^5.2",
-        "phpstan/phpstan": "0.12.77",
+        "phpstan/phpstan": "0.12.78",
         "phpstan/phpstan-phpunit": "0.12.17",
         "phpstan/phpstan-doctrine": "0.12.32",
         "phpstan/phpstan-symfony": "0.12.20",