diff --git a/stack.yml b/stack.yml
index f97f486..b7b21f9 100644
--- a/stack.yml
+++ b/stack.yml
@@ -7,3 +7,5 @@ functions:
     lang: python3-http
     handler: ./src
     image: registry.serguzim.me/faas/determinant-of-the-day
+    build_options:
+    - dev