diff --git a/depends.txt b/depends.txt
deleted file mode 100644
index a68668b..0000000
--- a/depends.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-sfinv?
-
diff --git a/mod.conf b/mod.conf
new file mode 100644
index 0000000..5af7729
--- /dev/null
+++ b/mod.conf
@@ -0,0 +1,2 @@
+name = rules
+optional_depends = sfinv