diff --git a/.babelrc b/.babelrc.json
similarity index 68%
rename from .babelrc
rename to .babelrc.json
index 5fcb804f..bd3a28ff 100644
--- a/.babelrc
+++ b/.babelrc.json
@@ -4,5 +4,6 @@
   ],
   "plugins": [
     "module:babel-plugin-macros",
+    "@babel/plugin-proposal-optional-chaining"
   ]
 }
diff --git a/.webpack/js.js b/.webpack/js.js
index 48c9d953..ea9d2ff8 100644
--- a/.webpack/js.js
+++ b/.webpack/js.js
@@ -29,10 +29,7 @@ const clean = (array) => array.filter(notEmpty);
 const noParse = (a) => /\.spec\.js$/.test(a);
 
 const options = {
-    babelrc: false,
-    plugins: [
-        'module:babel-plugin-macros',
-    ],
+    babelrc: true,
 };
 
 const rules = clean([
diff --git a/package.json b/package.json
index 67e1e300..b368bb4d 100644
--- a/package.json
+++ b/package.json
@@ -161,6 +161,7 @@
   "devDependencies": {
     "@babel/code-frame": "^7.5.5",
     "@babel/core": "^7.0.0",
+    "@babel/plugin-proposal-optional-chaining": "^7.12.7",
     "@babel/preset-env": "^7.0.0",
     "@cloudcmd/clipboard": "^2.0.0",
     "@cloudcmd/create-element": "^2.0.0",