diff --git a/packages/react-scripts/config/webpack.config.js b/packages/react-scripts/config/webpack.config.js
index e465d8e7a00..6281bad743c 100644
--- a/packages/react-scripts/config/webpack.config.js
+++ b/packages/react-scripts/config/webpack.config.js
@@ -212,6 +212,7 @@ module.exports = function (webpackEnv) {
     // This means they will be the "root" imports that are included in JS bundle.
     entry: paths.appIndexJs,
     output: {
+      hashFunction: 'xxhash64',
       // The build folder.
       path: paths.appBuild,
       // Add /* filename */ comments to generated require()s in the output.