diff --git a/composer.json b/composer.json
index d03ac165c..73d6574f1 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
         "phpunit/phpunit": "^8.5",
         "squizlabs/php_codesniffer": "^3.5",
         "phpmd/phpmd": "^2.6",
-        "phpstan/phpstan": "^0.12.13",
+        "phpstan/phpstan": "^0.12.18",
         "phan/phan": "^1.1.5",
         "codeclimate/php-test-reporter": "^0.4.4",
         "facebook/webdriver": "^1.7",