diff --git a/composer.json b/composer.json
index a5cc0db..3b5c616 100644
--- a/composer.json
+++ b/composer.json
@@ -12,10 +12,10 @@
         "irc": "irc://irc.freenode.net/yii",
         "source": "https://github.com/yiisoft/yii2"
     },
-    "minimum-stability": "dev",
+    "minimum-stability": "stable",
     "require": {
         "php": ">=5.4.0",
-        "yiisoft/yii2": "*",
+        "yiisoft/yii2": ">=2.0.4",
         "yiisoft/yii2-bootstrap": "*",
         "yiisoft/yii2-swiftmailer": "*"
     },