diff --git a/ui/webpack/devConfig.js b/ui/webpack/devConfig.js
index dab488d7c3..99643e10f3 100644
--- a/ui/webpack/devConfig.js
+++ b/ui/webpack/devConfig.js
@@ -14,7 +14,7 @@ module.exports = {
   output: {
     publicPath: '/',
     path: path.resolve(__dirname, '../build'),
-    filename: '[name].dev.js',
+    filename: '[name].[chunkhash].dev.js',
   },
   resolve: {
     alias: {
diff --git a/ui/webpack/prodConfig.js b/ui/webpack/prodConfig.js
index 9c8509bdbf..c2c12a76b1 100644
--- a/ui/webpack/prodConfig.js
+++ b/ui/webpack/prodConfig.js
@@ -15,7 +15,7 @@ var config = {
   output: {
     publicPath: '/',
     path: path.resolve(__dirname, '../build'),
-    filename: '[name].js',
+    filename: '[name].[chunkhash].js',
   },
   resolve: {
     alias: {