The "required" section updated

Author: githubjeka

composer.json

@@ -23,10 +23,10 @@
   ],
   "require": {
     "php": ">=5.4.0",
-    "yiisoft/yii2": "*",
+    "yiisoft/yii2": ">=2.0.6",
     "bower-asset/d3": ">=3.4",
     "bower-asset/d3-tip": ">=0.6,<default",
-    "yiisoft/yii2-bootstrap": "*"
+    "yiisoft/yii2-bootstrap": ">=2.0.5"
   },
   "autoload": {
     "psr-4": {