diff --git a/scripts/prepare.sh b/scripts/prepare.sh
index 762674636..bde12b36a 100755
--- a/scripts/prepare.sh
+++ b/scripts/prepare.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
 
 if [ -z "${SKIP_PREPARE}" ]; then
-    npx gulp --production
+    webpack --config webpack.prod.js
 fi