diff --git a/lib/potassium/recipes/file_storage.rb b/lib/potassium/recipes/file_storage.rb
index 7f22e925..655759c5 100644
--- a/lib/potassium/recipes/file_storage.rb
+++ b/lib/potassium/recipes/file_storage.rb
@@ -86,7 +86,7 @@ def add_image_handling_serializer_concern
   end
 
   def add_image_handling_heroku_setup
-    append_to_file(
+    prepend_file(
       '.buildpacks',
       <<~HERE
         https://github.com/heroku/heroku-buildpack-apt