diff --git a/examples/mainnet-poll/webpack.config.js b/examples/mainnet-poll/webpack.config.js
index b45969f..2498f5f 100644
--- a/examples/mainnet-poll/webpack.config.js
+++ b/examples/mainnet-poll/webpack.config.js
@@ -33,7 +33,7 @@ module.exports = (env) => {
                     exclude: /node_modules/,
                     options: {
                         loader: 'tsx',
-                        target: 'es2018',
+                        target: 'es2020',
                     },
                 },
                 {
@@ -51,7 +51,7 @@ module.exports = (env) => {
         optimization: {
             minimizer: [
                 new ESBuildMinifyPlugin({
-                    target: 'es2018',
+                    target: 'es2020',
                 }),
             ],
         },