diff --git a/babel.config.js b/babel.config.js
index dcd8520..ec1317e 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -1,3 +1,4 @@
 module.exports = {
 	presets: ['@vue/cli-plugin-babel/preset'],
+	plugins: ['@babel/plugin-proposal-optional-chaining'],
 };
diff --git a/package.json b/package.json
index da9b247..63a01be 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,7 @@
 	},
 	"devDependencies": {
 		"@babel/eslint-parser": "^7.16.5",
+		"@babel/plugin-proposal-optional-chaining": "^7.17.12",
 		"@vue/cli-plugin-babel": "~4.5.15",
 		"@vue/cli-plugin-eslint": "~4.5.15",
 		"@vue/cli-plugin-router": "~4.5.15",