diff --git a/composer.json b/composer.json
index ec16fb3..c494a00 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
     },
     "require-dev": {
         "nette/tester": "2.3.4",
-        "phpstan/phpstan": "0.12.60",
+        "phpstan/phpstan": "0.12.78",
         "phpstan/phpstan-strict-rules": "0.12.7",
         "pepakriz/phpstan-exception-rules": "0.11.2",
         "phpstan/phpstan-nette": "0.12.11",