diff --git a/config/webpack.config.js b/config/webpack.config.js
index 71d96c9a..a39ba48a 100644
--- a/config/webpack.config.js
+++ b/config/webpack.config.js
@@ -716,11 +716,12 @@ module.exports = function (webpackEnv) {
         new WorkboxWebpackPlugin.InjectManifest({
           swSrc,
           dontCacheBustURLsMatching: /\.[0-9a-f]{8}\./,
-          exclude: [/\.map$/, /asset-manifest\.json$/, /LICENSE/],
+          // REVISIT: main entry point should be chunked instead of ignored
+          exclude: [/\.map$/, /asset-manifest\.json$/, /LICENSE/, /static\/js\/main\.\w+\.js$/],
           // Bump up the default maximum size (2mb) that's precached,
           // to make lazy-loading failure scenarios less likely.
           // See https://github.com/cra-template/pwa/issues/13#issuecomment-722667270
-          maximumFileSizeToCacheInBytes: 5 * 1024 * 1024,
+          maximumFileSizeToCacheInBytes: 2 * 1024 * 1024,
         }),
       // TypeScript type checking
       useTypeScript &&