diff --git a/composer.json b/composer.json
index aeed10a..feccf12 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "~7.0||~9.0",
-        "phpstan/phpstan": "^0.12.66"
+        "phpstan/phpstan": "^1.10.6"
     },
     "extra": {
         "branch-alias": {