diff --git a/composer.json b/composer.json
index a02069a2bf2d62fddfffe6c5bac9c6537c23780b..f8001a1d09e308fed55d1424fd91b9e66869c694 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
         "php": ">=7.1",
         "jangregor/phpstan-prophecy": ">=0.7",
         "phpstan/extension-installer": "^1.0",
-        "phpstan/phpstan": "~0.12.0",
+        "phpstan/phpstan": "~0.12.34",
         "phpstan/phpstan-beberlei-assert": "~0.12.0",
         "phpstan/phpstan-doctrine": "~0.12.6",
         "phpstan/phpstan-phpunit": "~0.12.3",