diff --git a/composer.json b/composer.json
index e7ce344..b55afb9 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,7 @@
         "infection/infection": "^0.20.1",
         "nyholm/psr7": "^1.2",
         "php-http/curl-client": "^2.1",
-        "phpstan/extension-installer": "^1.0",
+        "phpstan/extension-installer": "^1.1",
         "phpstan/phpstan": "0.12.81",
         "phpstan/phpstan-phpunit": "0.12.18",
         "phpstan/phpstan-strict-rules": "0.12.9",