Update composer.json

Author: cornernote

composer.json

@@ -14,8 +14,8 @@
     "require": {
         "yiisoft/yii2": "*",
         "yiisoft/yii2-jui": "~2.0.0",
-        "raoul2000/yii2-workflow": "*",
-        "raoul2000/yii2-workflow-view": "*"
+        "raoul2000/yii2-workflow": "@dev",
+        "raoul2000/yii2-workflow-view": "@dev"
     },
     "require-dev": {
         "phpunit/phpunit": "4.*",