diff --git a/composer.json b/composer.json
index 6817246e03..8c39969af2 100644
--- a/composer.json
+++ b/composer.json
@@ -92,7 +92,8 @@
 		"fzaninotto/faker": "required by yii2-faker extension",
 		"imagine/imagine": "required by yii2-imagine extension",
 		"smarty/smarty": "required by yii2-smarty extension",
-		"swiftmailer/swiftmailer": "required by yii2-swiftmailer extension"
+		"swiftmailer/swiftmailer": "required by yii2-swiftmailer extension",
+		"yiisoft/yii2-coding-standards": "you can use this package to check for code style issues when contributing to yii",
 	},
 	"autoload": {
 		"psr-4": {