diff --git a/composer.json b/composer.json
index 63af75c..24c2361 100644
--- a/composer.json
+++ b/composer.json
@@ -24,8 +24,8 @@
     }
   ],
   "require": {
-    "php": "7.0.2|7.0.4|~7.0.6|~7.1.0",
-    "magento/module-backend": "100.2.*"
+    "php": "~5.6.0|7.0.2|7.0.4|~7.0.6|~7.1.0",
+    "magento/module-backend": "^100.1.0| ^100.2.0"
   },
   "require-dev": {
     "phpunit/phpunit": "^4.5"