diff --git a/composer.json b/composer.json
index d1caa60..484a3f6 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,7 @@
 		"psr/http-message": "^1.0"
 	},
 	"require-dev": {
-		"dealerdirect/phpcodesniffer-composer-installer": "^0.6.2 || ^0.7.0",
+		"dealerdirect/phpcodesniffer-composer-installer": "^0.6.2 || ^0.7.0 || ^1.0.0",
 		"guzzlehttp/psr7": "^1.0",
 		"php-http/guzzle7-adapter": "^0.1.1 || ^1.0.0",
 		"php-http/mock-client": "^1.2",