diff --git a/scripts/build.clj b/scripts/build.clj
index 5245eb7e9c..26307ff41b 100644
--- a/scripts/build.clj
+++ b/scripts/build.clj
@@ -12,6 +12,7 @@
    {:main 'uxbox.core
     :output-to "resources/public/js/main.js"
     :output-dir "resources/public/js"
+    :parallel-build true
     :optimizations :advanced
     :language-in  :ecmascript5
     :language-out :ecmascript5
diff --git a/scripts/watch.clj b/scripts/watch.clj
index 5045f5d850..86146f6e39 100644
--- a/scripts/watch.clj
+++ b/scripts/watch.clj
@@ -8,6 +8,7 @@
   {:main 'uxbox.core
    :output-to "resources/public/js/main.js"
    :output-dir "resources/public/js"
+   :parallel-build true
    :asset-path "/js"
    :optimizations :none
    :pretty-print true