diff --git a/composer.json b/composer.json
index e8a4c06..a1f7430 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
     "require-dev": {
         "mockery/mockery": "1.6.6",
         "pestphp/pest": "2.18.2",
-        "phpstan/phpstan": "^1.10",
+        "phpstan/phpstan": "1.10.37",
         "squizlabs/php_codesniffer": "3.7.2"
     },
     "autoload": {