diff --git a/base/resource/dependency-structure.ddf b/base/resource/dependency-structure.ddf
new file mode 100644
index 0000000000000000000000000000000000000000..9677b095927ccbda23ace19ad290e873c8259b92
--- /dev/null
+++ b/base/resource/dependency-structure.ddf
@@ -0,0 +1 @@
+{package} = ch.systemsx.cisd.base