diff --git a/wercker.yml b/wercker.yml
index 8cba104..933c432 100644
--- a/wercker.yml
+++ b/wercker.yml
@@ -1,4 +1,4 @@
-box: flaviut/nim-by-example-build-vm@0.0.3
+box: flaviut/nim-by-example-build-vm@0.0.4
 build:
     steps:
         - script: