diff --git a/composer.json b/composer.json
index 3bda267..0d78e2e 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
 		"pocketmine/binaryutils": "^0.2.0"
 	},
 	"require-dev": {
-		"phpstan/phpstan": "0.12.87",
+		"phpstan/phpstan": "0.12.88",
 		"phpstan/phpstan-strict-rules": "^0.12.2"
 	},
 	"autoload": {