diff --git a/superset-frontend/webpack.config.js b/superset-frontend/webpack.config.js
index 39cdbf015..62cde8285 100644
--- a/superset-frontend/webpack.config.js
+++ b/superset-frontend/webpack.config.js
@@ -274,7 +274,7 @@ const config = {
       },
     },
     usedExports: 'global',
-    minimizer: [new CssMinimizerPlugin()],
+    minimizer: [new CssMinimizerPlugin(), '...'],
   },
   resolve: {
     modules: [APP_DIR, 'node_modules', ROOT_DIR],