diff --git a/.babelrc b/.babelrc
index 31a2b2c..2200d2d 100644
--- a/.babelrc
+++ b/.babelrc
@@ -4,7 +4,8 @@
       "env",
       {
         "targets": {
-          "node": "6.10"
+          "node": "6.10",
+          "browsers": ["last 2 versions"]
         }
       }
     ],