Revert "dependency"

This reverts commit 7767b80.

Author: Conrad2134

package.json

@@ -23,7 +23,7 @@
   "devDependencies": {
     "babel-preset-es2015": "^6.9.0",
     "babelify": "^7.3.0",
-    "grunt": "~0.4.5",
+    "grunt": "^1.0.1",
     "grunt-browserify": "^5.0.0",
     "grunt-coveralls": "^1.0.1",
     "grunt-qunit-istanbul": "^0.6.0",
@@ -32,7 +32,7 @@
     "qunitjs": "^2.0.0-rc1"
   },
   "peerDependencies": {
-    "grunt": "~0.4.1"
+    "grunt": ">=0.4.0"
   },
   "keywords": [
     "gruntplugin",