diff --git a/apps/advanced/composer.json b/apps/advanced/composer.json
index aafb0a7..b44cd7f 100644
--- a/apps/advanced/composer.json
+++ b/apps/advanced/composer.json
@@ -16,8 +16,10 @@
 	"require": {
 		"php": ">=5.4.0",
 		"yiisoft/yii2": "*",
-		"yiisoft/yii2-swiftmailer": "*",
 		"yiisoft/yii2-bootstrap": "*",
+		"yiisoft/yii2-swiftmailer": "*"
+	},
+	"require-dev": {
 		"yiisoft/yii2-debug": "*",
 		"yiisoft/yii2-gii": "*"
 	},
diff --git a/apps/basic/composer.json b/apps/basic/composer.json
index 581d472..6170429 100644
--- a/apps/basic/composer.json
+++ b/apps/basic/composer.json
@@ -17,10 +17,12 @@
 		"php": ">=5.4.0",
 		"yiisoft/yii2": "*",
 		"yiisoft/yii2-bootstrap": "*",
+		"yiisoft/yii2-swiftmailer": "*"
+	},
+	"require-dev": {
 		"yiisoft/yii2-codeception": "*",
 		"yiisoft/yii2-debug": "*",
-		"yiisoft/yii2-gii": "*",
-		"yiisoft/yii2-swiftmailer": "*"
+		"yiisoft/yii2-gii": "*"
 	},
 	"scripts": {
 		"post-create-project-cmd": [