diff --git a/.babelrc b/.babelrc
index e7a9e23..87456fe 100644
--- a/.babelrc
+++ b/.babelrc
@@ -3,7 +3,10 @@
     "module": {
       "presets": [
         ["env", {
-          "targets": { "node": "6" },
+          "targets": {
+            "node": "6",
+            "browsers": ["last 2 versions", "safari >= 7", "not ie < 11"]
+          },
           "modules": false
         }],
         "stage-0",