diff --git a/.abf.yml b/.abf.yml
new file mode 100644
index 0000000..1dfd4e8
--- /dev/null
+++ b/.abf.yml
@@ -0,0 +1,2 @@
+sources:
+  "xz-5.0.4.tar.xz": 2b57b7825ec62dc4cb3540bd11390c183238688c