diff --git a/sources b/sources
index e69de29..65fb699 100644
--- a/sources
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (libvarlink-1.tar.gz) = d538cf8bcd1a51a3cdeb3be6c08bad323fd874324c35ebfb7b8186ec9a349dcbac55e9f0797c19a968a80318247b1265214ef24a366797313388d53cdfa490e2