diff --git a/composer.json b/composer.json
index b85cc681e..c2ecd6315 100644
--- a/composer.json
+++ b/composer.json
@@ -32,7 +32,7 @@
     "require-dev": {
         "jangregor/phpstan-prophecy": "^0.8.1",
         "phpstan/extension-installer": "^1.1.0",
-        "phpstan/phpstan": "^0.12.64",
+        "phpstan/phpstan": "^0.12.70",
         "phpunit/phpunit": "^8.5"
     },
     "config": {