diff --git a/.abf.yml b/.abf.yml
new file mode 100644
index 0000000..ca7b494
--- /dev/null
+++ b/.abf.yml
@@ -0,0 +1,2 @@
+sources:
+  "evolution-data-server-3.4.4.tar.xz": 1ea98405898b3ee5008dd75ad078da3b8d08c237