diff --git a/composer.json b/composer.json
index 215f1774..3315cebf 100644
--- a/composer.json
+++ b/composer.json
@@ -43,6 +43,6 @@
     "require-dev": {
         "atoum/atoum": "3.3.0",
         "codacy/coverage": "1.4.2",
-        "phpstan/phpstan": "0.11.5"
+        "phpstan/phpstan": "0.12.52"
     }
 }