diff --git a/.babelrc b/.babelrc
index 391d7ab..cd16c35 100644
--- a/.babelrc
+++ b/.babelrc
@@ -1,7 +1,7 @@
 {
   "presets": [["@babel/preset-env", {
     "useBuiltIns": "entry",
-    "modules": "auto",
+    "modules": "cjs",
     "loose": true,
     "targets": {
       "ie": "8",