diff --git a/package.json b/package.json
index 4e0462831a..6d7c2e0c80 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
     "trim-right": "^1.0.0"
   },
   "devDependencies": {
-    "babel": "4.6.0",
+    "babel": "4.7.13",
     "browserify": "^9.0.3",
     "chai": "^2.0.0",
     "eslint": "^0.15.1",
diff --git a/src/babel/transformation/templates/sliced-to-array.js b/src/babel/transformation/templates/sliced-to-array.js
index 274222b0c6..acfd0ef28b 100644
--- a/src/babel/transformation/templates/sliced-to-array.js
+++ b/src/babel/transformation/templates/sliced-to-array.js
@@ -3,7 +3,7 @@
     return arr;
   } else if (Symbol.iterator in Object(arr)) {
     var _arr = [];
-    for (var _iterator = arr[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
+    for (var val of arr) {
       _arr.push(_step.value);
       if (i && _arr.length === i) break;
     }