Update composer.json

Author: uranum

composer.json

@@ -26,7 +26,7 @@
     "source": "https://github.com/uranum/yii2-define-location"
   },
   "require": {
-    "php": ">=7.0.0",
+    "php": "^7.0.0",
     "yiisoft/yii2": "~2.0.11",
     "himiklab/yii2-ipgeobase-component": "1.0.2"
   },
@@ -39,4 +39,4 @@
   "config": {
     "process-timeout": 1800
   }
-}
+}