diff --git a/.babelrc.js b/.babelrc.cjs
similarity index 93%
rename from .babelrc.js
rename to .babelrc.cjs
index 9966567..da476cf 100644
--- a/.babelrc.js
+++ b/.babelrc.cjs
@@ -29,8 +29,6 @@ const bundleConfig = {
 module.exports = {
 	env: {
 		esmUnbundled: sharedConfig,
-		esmBundled: bundleConfig,
-		umdBundled: bundleConfig,
 		cjs: {
 			ignore: sharedIgnoredFiles,
 			presets: [
diff --git a/package.json b/package.json
index efb29ff..5d8b41f 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
 	"version": "1.1.7",
 	"description": "A fully-typed wrapper for the Indiware API, used by Vertretungsapp",
 	"author": "Vertretungsapp Development",
+	"type": "module",
 	"main": "lib/cjs/index.js",
 	"module": "lib/index.js",
 	"types": "lib/index.d.ts",