diff --git a/composer.json b/composer.json
index 8173b2a..ee0766a 100644
--- a/composer.json
+++ b/composer.json
@@ -63,18 +63,18 @@
 		"irc": "irc://irc.freenode.net/yii",
 		"source": "https://github.com/yiisoft/yii2"
 	},
-    "minimum-stability": "dev",
-    "replace": {
-        "yiisoft/yii2-bootstrap": "self.version",
-        "yiisoft/yii2-debug": "self.version",
-        "yiisoft/yii2-gii": "self.version",
-        "yiisoft/yii2-jui": "self.version",
-        "yiisoft/yii2-smarty": "self.version",
-        "yiisoft/yii2-swiftmailer": "self.version",
+	"minimum-stability": "dev",
+	"replace": {
+		"yiisoft/yii2-bootstrap": "self.version",
+		"yiisoft/yii2-debug": "self.version",
+		"yiisoft/yii2-gii": "self.version",
+		"yiisoft/yii2-jui": "self.version",
+		"yiisoft/yii2-smarty": "self.version",
+		"yiisoft/yii2-swiftmailer": "self.version",
 		"yiisoft/yii2-sphinx": "self.version",
-        "yiisoft/yii2-twig": "self.version",
-	    "yiisoft/yii2": "self.version"
-    },
+		"yiisoft/yii2-twig": "self.version",
+		"yiisoft/yii2": "self.version"
+	},
 	"require": {
 		"php": ">=5.4.0",
 		"ext-mbstring": "*",
@@ -91,7 +91,7 @@
 	},
 	"autoload": {
 		"psr-0": {
-            "yii\\bootstrap\\": "extensions/bootstrap/",
+			"yii\\bootstrap\\": "extensions/bootstrap/",
 			"yii\\debug\\": "extensions/debug/",
 			"yii\\gii\\": "extensions/gii/",
 			"yii\\jui\\": "extensions/jui/",
@@ -100,6 +100,6 @@
 			"yii\\sphinx\\": "extensions/sphinx/",
 			"yii\\twig\\": "extensions/twig/",
 			"yii\\": "framework/yii/"
-        }
-    }
+		}
+	}
 }