diff --git a/.build.yml b/.build.yml
index c06053b..5cc2a3d 100644
--- a/.build.yml
+++ b/.build.yml
@@ -1,6 +1,12 @@
-image: alpine/edge
+image: debian/stable
+packages:
+  - build-essential
+  - git
+  - elixir
+sources:
+  - git@git.broccoli.town:dp/wish
 tasks:
-  - say-hello: |
-      echo hello
-  - say-world: |
-      echo world
+  - setup: |
+      cd wish
+      mix deps.get
+      mix test