diff --git a/composer.json b/composer.json
index 004df5f..a5a441e 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
     "require-dev": {
         "nette/tester": "2.4.1",
         "mockery/mockery": "1.4.3",
-        "phpstan/phpstan": "0.12.97",
+        "phpstan/phpstan": "0.12.99",
         "phpstan/phpstan-strict-rules": "0.12.10",
         "pepakriz/phpstan-exception-rules": "0.11.7",
         "phpstan/phpstan-nette": "0.12.21",