diff --git a/composer.json b/composer.json
index 1546df2..f2990fa 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
         "phpstan/phpstan": "0.12.88",
         "phpstan/phpstan-strict-rules": "0.12.9",
         "pepakriz/phpstan-exception-rules": "0.11.7",
-        "phpstan/phpstan-nette": "0.12.17",
+        "phpstan/phpstan-nette": "0.12.21",
         "nepada/phpstan-nette-tester": "0.3.1",
         "spaze/phpstan-disallowed-calls": "1.4.0",
         "phpstan/phpstan-mockery": "0.12.13",