diff --git a/composer.json b/composer.json
index 3cd737e..61c2da3 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
     "require-dev": {
         "nette/tester": "2.4.0",
         "mockery/mockery": "1.4.3",
-        "phpstan/phpstan": "0.12.85",
+        "phpstan/phpstan": "0.12.88",
         "phpstan/phpstan-strict-rules": "0.12.9",
         "pepakriz/phpstan-exception-rules": "0.11.6",
         "nepada/phpstan-nette-tester": "0.3.1",