diff --git a/composer.json b/composer.json
index d09ee26..3b2c889 100644
--- a/composer.json
+++ b/composer.json
@@ -19,12 +19,15 @@
     "php": "^7.2",
     "rector/rector": "^0.8.0",
     "slevomat/coding-standard": "^6.4",
-    "symplify/easy-coding-standard": "^8.2"
+    "symplify/easy-coding-standard": "^8.3"
   },
   "require-dev": {
     "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0",
     "roave/security-advisories": "dev-master"
   },
+  "conflict": {
+    "phpstan/phpstan": "^0.12.43"
+  },
   "autoload-dev": {
     "psr-4": {
       "Zing\\CodingStandard\\Tests\\": "tests",