diff --git a/config/webpack.config.prod.js b/config/webpack.config.prod.js
index 65c7e15..b74267a 100644
--- a/config/webpack.config.prod.js
+++ b/config/webpack.config.prod.js
@@ -321,7 +321,7 @@ module.exports = {
       // https://github.com/facebookincubator/create-react-app/issues/2237#issuecomment-302693219
       navigateFallbackWhitelist: [/^(?!\/__).*/],
       // Don't precache sourcemaps (they're large) and build asset manifest:
-      staticFileGlobsIgnorePatterns: [/\.map$/, /asset-manifest\.json$/],
+      staticFileGlobsIgnorePatterns: [/\.map$/, /asset-manifest\.json$/, /index\.html$/],
     }),
     // Moment.js is an extremely popular library that bundles large locale files
     // by default due to how Webpack interprets its code. This is a practical