diff --git a/multi_map_core/depends.txt b/multi_map_core/depends.txt
index e69de29..4ad96d5 100644
--- a/multi_map_core/depends.txt
+++ b/multi_map_core/depends.txt
@@ -0,0 +1 @@
+default
diff --git a/multi_map_generators/depends.txt b/multi_map_generators/depends.txt
index 5e1c7a4..291b442 100644
--- a/multi_map_generators/depends.txt
+++ b/multi_map_generators/depends.txt
@@ -1 +1,2 @@
+default
 multi_map_core